127921040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{123001}}^1$

素因数の和:123027

約数の個数: 40

約数和(自身を含む): 320297208

約数和(自身を除く): 192376168

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 123001, 246002, 492004, 615005, 984008, 1230010, 1599013, 1968016, 2460020, 3198026, 4920040, 6396052, 7995065, 9840080, 12792104, 15990130, 25584208, 31980260, 63960520, 127921040]

約数ペア:

[(1, 127921040), (2, 63960520), (4, 31980260), (5, 25584208), (8, 15990130), (10, 12792104), (13, 9840080), (16, 7995065), (20, 6396052), (26, 4920040), (40, 3198026), (52, 2460020), (65, 1968016), (80, 1599013), (104, 1230010), (130, 984008), (208, 615005), (260, 492004), (520, 246002), (1040, 123001)]