2154169120

素因数分解:

$2^5\times 5^1\times {\mathrm{617}}^1\times {\mathrm{21821}}^1$

素因数の和:22453

約数の個数: 48

約数和(自身を含む): 5097706488

約数和(自身を除く): 2943537368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 617, 1234, 2468, 3085, 4936, 6170, 9872, 12340, 19744, 21821, 24680, 43642, 49360, 87284, 98720, 109105, 174568, 218210, 349136, 436420, 698272, 872840, 1745680, 3491360, 13463557, 26927114, 53854228, 67317785, 107708456, 134635570, 215416912, 269271140, 430833824, 538542280, 1077084560, 2154169120]

約数ペア:

[(1, 2154169120), (2, 1077084560), (4, 538542280), (5, 430833824), (8, 269271140), (10, 215416912), (16, 134635570), (20, 107708456), (32, 67317785), (40, 53854228), (80, 26927114), (160, 13463557), (617, 3491360), (1234, 1745680), (2468, 872840), (3085, 698272), (4936, 436420), (6170, 349136), (9872, 218210), (12340, 174568), (19744, 109105), (21821, 98720), (24680, 87284), (43642, 49360)]