79789970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1523}}^1$

素因数の和:1587

約数の個数: 48

約数和(自身を含む): 160641792

約数和(自身を除く): 80851822

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 169, 310, 338, 403, 806, 845, 1523, 1690, 2015, 3046, 4030, 5239, 7615, 10478, 15230, 19799, 26195, 39598, 47213, 52390, 94426, 98995, 197990, 236065, 257387, 472130, 514774, 613769, 1227538, 1286935, 2573870, 3068845, 6137690, 7978997, 15957994, 39894985, 79789970]

約数ペア:

[(1, 79789970), (2, 39894985), (5, 15957994), (10, 7978997), (13, 6137690), (26, 3068845), (31, 2573870), (62, 1286935), (65, 1227538), (130, 613769), (155, 514774), (169, 472130), (310, 257387), (338, 236065), (403, 197990), (806, 98995), (845, 94426), (1523, 52390), (1690, 47213), (2015, 39598), (3046, 26195), (4030, 19799), (5239, 15230), (7615, 10478)]