40681280770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{2100221}}^1$

素因数の和:2100390

約数の個数: 32

約数和(自身を含む): 79388391600

約数和(自身を除く): 38707110830

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 298, 745, 1490, 1937, 3874, 9685, 19370, 2100221, 4200442, 10501105, 21002210, 27302873, 54605746, 136514365, 273028730, 312932929, 625865858, 1564664645, 3129329290, 4068128077, 8136256154, 20340640385, 40681280770]

約数ペア:

[(1, 40681280770), (2, 20340640385), (5, 8136256154), (10, 4068128077), (13, 3129329290), (26, 1564664645), (65, 625865858), (130, 312932929), (149, 273028730), (298, 136514365), (745, 54605746), (1490, 27302873), (1937, 21002210), (3874, 10501105), (9685, 4200442), (19370, 2100221)]