64202240

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:863

約数の個数: 80

約数和(自身を含む): 159096960

約数和(自身を除く): 94894720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 809, 992, 1240, 1280, 1618, 1984, 2480, 2560, 3236, 3968, 4045, 4960, 6472, 7936, 8090, 9920, 12944, 15872, 16180, 19840, 25079, 25888, 32360, 39680, 50158, 51776, 64720, 79360, 100316, 103552, 125395, 129440, 200632, 207104, 250790, 258880, 401264, 414208, 501580, 517760, 802528, 1003160, 1035520, 1605056, 2006320, 2071040, 3210112, 4012640, 6420224, 8025280, 12840448, 16050560, 32101120, 64202240]

約数ペア:

[(1, 64202240), (2, 32101120), (4, 16050560), (5, 12840448), (8, 8025280), (10, 6420224), (16, 4012640), (20, 3210112), (31, 2071040), (32, 2006320), (40, 1605056), (62, 1035520), (64, 1003160), (80, 802528), (124, 517760), (128, 501580), (155, 414208), (160, 401264), (248, 258880), (256, 250790), (310, 207104), (320, 200632), (496, 129440), (512, 125395), (620, 103552), (640, 100316), (809, 79360), (992, 64720), (1240, 51776), (1280, 50158), (1618, 39680), (1984, 32360), (2480, 25888), (2560, 25079), (3236, 19840), (3968, 16180), (4045, 15872), (4960, 12944), (6472, 9920), (7936, 8090)]