25981198270

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1180427}}^1$

素因数の和:1180536

約数の個数: 32

約数和(自身を含む): 48954710016

約数和(自身を除く): 22973511746

約数列:

[1, 2, 5, 10, 31, 62, 71, 142, 155, 310, 355, 710, 2201, 4402, 11005, 22010, 1180427, 2360854, 5902135, 11804270, 36593237, 73186474, 83810317, 167620634, 182966185, 365932370, 419051585, 838103170, 2598119827, 5196239654, 12990599135, 25981198270]

約数ペア:

[(1, 25981198270), (2, 12990599135), (5, 5196239654), (10, 2598119827), (31, 838103170), (62, 419051585), (71, 365932370), (142, 182966185), (155, 167620634), (310, 83810317), (355, 73186474), (710, 36593237), (2201, 11804270), (4402, 5902135), (11005, 2360854), (22010, 1180427)]