42068780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{677}}^1$

素因数の和:938

約数の個数: 48

約数和(自身を含む): 95679360

約数和(自身を除く): 53610580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 239, 260, 478, 677, 956, 1195, 1354, 2390, 2708, 3107, 3385, 4780, 6214, 6770, 8801, 12428, 13540, 15535, 17602, 31070, 35204, 44005, 62140, 88010, 161803, 176020, 323606, 647212, 809015, 1618030, 2103439, 3236060, 4206878, 8413756, 10517195, 21034390, 42068780]

約数ペア:

[(1, 42068780), (2, 21034390), (4, 10517195), (5, 8413756), (10, 4206878), (13, 3236060), (20, 2103439), (26, 1618030), (52, 809015), (65, 647212), (130, 323606), (239, 176020), (260, 161803), (478, 88010), (677, 62140), (956, 44005), (1195, 35204), (1354, 31070), (2390, 17602), (2708, 15535), (3107, 13540), (3385, 12428), (4780, 8801), (6214, 6770)]