101475140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{390289}}^1$

素因数の和:390311

約数の個数: 24

約数和(自身を含む): 229490520

約数和(自身を除く): 128015380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 390289, 780578, 1561156, 1951445, 3902890, 5073757, 7805780, 10147514, 20295028, 25368785, 50737570, 101475140]

約数ペア:

[(1, 101475140), (2, 50737570), (4, 25368785), (5, 20295028), (10, 10147514), (13, 7805780), (20, 5073757), (26, 3902890), (52, 1951445), (65, 1561156), (130, 780578), (260, 390289)]