129026960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{52027}}^1$

素因数の和:52071

約数の個数: 40

約数和(自身を含む): 309670656

約数和(自身を除く): 180643696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 52027, 104054, 208108, 260135, 416216, 520270, 832432, 1040540, 1612837, 2081080, 3225674, 4162160, 6451348, 8064185, 12902696, 16128370, 25805392, 32256740, 64513480, 129026960]

約数ペア:

[(1, 129026960), (2, 64513480), (4, 32256740), (5, 25805392), (8, 16128370), (10, 12902696), (16, 8064185), (20, 6451348), (31, 4162160), (40, 3225674), (62, 2081080), (80, 1612837), (124, 1040540), (155, 832432), (248, 520270), (310, 416216), (496, 260135), (620, 208108), (1240, 104054), (2480, 52027)]