69879940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{677}}^1$

素因数の和:1096

約数の個数: 48

約数和(自身を含む): 158668272

約数和(自身を除く): 88788332

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 397, 677, 794, 1354, 1588, 1985, 2708, 3385, 3970, 5161, 6770, 7940, 8801, 10322, 13540, 17602, 20644, 25805, 35204, 44005, 51610, 88010, 103220, 176020, 268769, 537538, 1075076, 1343845, 2687690, 3493997, 5375380, 6987994, 13975988, 17469985, 34939970, 69879940]

約数ペア:

[(1, 69879940), (2, 34939970), (4, 17469985), (5, 13975988), (10, 6987994), (13, 5375380), (20, 3493997), (26, 2687690), (52, 1343845), (65, 1075076), (130, 537538), (260, 268769), (397, 176020), (677, 103220), (794, 88010), (1354, 51610), (1588, 44005), (1985, 35204), (2708, 25805), (3385, 20644), (3970, 17602), (5161, 13540), (6770, 10322), (7940, 8801)]