42417940

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{137}}^2$

素因数の和:396

約数の個数: 36

約数和(自身を含む): 90526716

約数和(自身を除く): 48108776

約数列:

[1, 2, 4, 5, 10, 20, 113, 137, 226, 274, 452, 548, 565, 685, 1130, 1370, 2260, 2740, 15481, 18769, 30962, 37538, 61924, 75076, 77405, 93845, 154810, 187690, 309620, 375380, 2120897, 4241794, 8483588, 10604485, 21208970, 42417940]

約数ペア:

[(1, 42417940), (2, 21208970), (4, 10604485), (5, 8483588), (10, 4241794), (20, 2120897), (113, 375380), (137, 309620), (226, 187690), (274, 154810), (452, 93845), (548, 77405), (565, 75076), (685, 61924), (1130, 37538), (1370, 30962), (2260, 18769), (2740, 15481)]