87812800

素因数分解:

$2^6\times 5^2\times {\mathrm{71}}^1\times {\mathrm{773}}^1$

素因数の和:866

約数の個数: 84

約数和(自身を含む): 219401136

約数和(自身を除く): 131588336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 71, 80, 100, 142, 160, 200, 284, 320, 355, 400, 568, 710, 773, 800, 1136, 1420, 1546, 1600, 1775, 2272, 2840, 3092, 3550, 3865, 4544, 5680, 6184, 7100, 7730, 11360, 12368, 14200, 15460, 19325, 22720, 24736, 28400, 30920, 38650, 49472, 54883, 56800, 61840, 77300, 109766, 113600, 123680, 154600, 219532, 247360, 274415, 309200, 439064, 548830, 618400, 878128, 1097660, 1236800, 1372075, 1756256, 2195320, 2744150, 3512512, 4390640, 5488300, 8781280, 10976600, 17562560, 21953200, 43906400, 87812800]

約数ペア:

[(1, 87812800), (2, 43906400), (4, 21953200), (5, 17562560), (8, 10976600), (10, 8781280), (16, 5488300), (20, 4390640), (25, 3512512), (32, 2744150), (40, 2195320), (50, 1756256), (64, 1372075), (71, 1236800), (80, 1097660), (100, 878128), (142, 618400), (160, 548830), (200, 439064), (284, 309200), (320, 274415), (355, 247360), (400, 219532), (568, 154600), (710, 123680), (773, 113600), (800, 109766), (1136, 77300), (1420, 61840), (1546, 56800), (1600, 54883), (1775, 49472), (2272, 38650), (2840, 30920), (3092, 28400), (3550, 24736), (3865, 22720), (4544, 19325), (5680, 15460), (6184, 14200), (7100, 12368), (7730, 11360)]