78801250

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^2\times {\mathrm{521}}^1$

素因数の和:565

約数の個数: 60

約数和(自身を含む): 162665118

約数和(自身を除く): 83863868

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 121, 125, 242, 250, 275, 521, 550, 605, 625, 1042, 1210, 1250, 1375, 2605, 2750, 3025, 5210, 5731, 6050, 6875, 11462, 13025, 13750, 15125, 26050, 28655, 30250, 57310, 63041, 65125, 75625, 126082, 130250, 143275, 151250, 286550, 315205, 325625, 630410, 651250, 716375, 1432750, 1576025, 3152050, 3581875, 7163750, 7880125, 15760250, 39400625, 78801250]

約数ペア:

[(1, 78801250), (2, 39400625), (5, 15760250), (10, 7880125), (11, 7163750), (22, 3581875), (25, 3152050), (50, 1576025), (55, 1432750), (110, 716375), (121, 651250), (125, 630410), (242, 325625), (250, 315205), (275, 286550), (521, 151250), (550, 143275), (605, 130250), (625, 126082), (1042, 75625), (1210, 65125), (1250, 63041), (1375, 57310), (2605, 30250), (2750, 28655), (3025, 26050), (5210, 15125), (5731, 13750), (6050, 13025), (6875, 11462)]