1249040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1201}}^1$

素因数の和:1227

約数の個数: 40

約数和(自身を含む): 3130008

約数和(自身を除く): 1880968

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1201, 2402, 4804, 6005, 9608, 12010, 15613, 19216, 24020, 31226, 48040, 62452, 78065, 96080, 124904, 156130, 249808, 312260, 624520, 1249040]

約数ペア:

[(1, 1249040), (2, 624520), (4, 312260), (5, 249808), (8, 156130), (10, 124904), (13, 96080), (16, 78065), (20, 62452), (26, 48040), (40, 31226), (52, 24020), (65, 19216), (80, 15613), (104, 12010), (130, 9608), (208, 6005), (260, 4804), (520, 2402), (1040, 1201)]