40808535160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1\times {\mathrm{4363}}^1$

素因数の和:4821

約数の個数: 128

約数和(自身を含む): 100043827200

約数和(自身を除く): 59235292040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 397, 589, 620, 760, 794, 1178, 1240, 1588, 1985, 2356, 2945, 3176, 3970, 4363, 4712, 5890, 7543, 7940, 8726, 11780, 12307, 15086, 15880, 17452, 21815, 23560, 24614, 30172, 34904, 37715, 43630, 49228, 60344, 61535, 75430, 82897, 87260, 98456, 123070, 135253, 150860, 165794, 174520, 233833, 246140, 270506, 301720, 331588, 414485, 467666, 492280, 541012, 663176, 676265, 828970, 935332, 1082024, 1169165, 1352530, 1657940, 1732111, 1870664, 2338330, 2569807, 2705060, 3315880, 3464222, 4676660, 5139614, 5410120, 6928444, 8660555, 9353320, 10279228, 12849035, 13856888, 17321110, 20558456, 25698070, 32910109, 34642220, 51396140, 53695441, 65820218, 69284440, 102792280, 107390882, 131640436, 164550545, 214781764, 263280872, 268477205, 329101090, 429563528, 536954410, 658202180, 1020213379, 1073908820, 1316404360, 2040426758, 2147817640, 4080853516, 5101066895, 8161707032, 10202133790, 20404267580, 40808535160]

約数ペア:

[(1, 40808535160), (2, 20404267580), (4, 10202133790), (5, 8161707032), (8, 5101066895), (10, 4080853516), (19, 2147817640), (20, 2040426758), (31, 1316404360), (38, 1073908820), (40, 1020213379), (62, 658202180), (76, 536954410), (95, 429563528), (124, 329101090), (152, 268477205), (155, 263280872), (190, 214781764), (248, 164550545), (310, 131640436), (380, 107390882), (397, 102792280), (589, 69284440), (620, 65820218), (760, 53695441), (794, 51396140), (1178, 34642220), (1240, 32910109), (1588, 25698070), (1985, 20558456), (2356, 17321110), (2945, 13856888), (3176, 12849035), (3970, 10279228), (4363, 9353320), (4712, 8660555), (5890, 6928444), (7543, 5410120), (7940, 5139614), (8726, 4676660), (11780, 3464222), (12307, 3315880), (15086, 2705060), (15880, 2569807), (17452, 2338330), (21815, 1870664), (23560, 1732111), (24614, 1657940), (30172, 1352530), (34904, 1169165), (37715, 1082024), (43630, 935332), (49228, 828970), (60344, 676265), (61535, 663176), (75430, 541012), (82897, 492280), (87260, 467666), (98456, 414485), (123070, 331588), (135253, 301720), (150860, 270506), (165794, 246140), (174520, 233833)]