1260888920

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{306041}}^1$

素因数の和:306155

約数の個数: 32

約数和(自身を含む): 2864553120

約数和(自身を除く): 1603664200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 306041, 612082, 1224164, 1530205, 2448328, 3060410, 6120820, 12241640, 31522223, 63044446, 126088892, 157611115, 252177784, 315222230, 630444460, 1260888920]

約数ペア:

[(1, 1260888920), (2, 630444460), (4, 315222230), (5, 252177784), (8, 157611115), (10, 126088892), (20, 63044446), (40, 31522223), (103, 12241640), (206, 6120820), (412, 3060410), (515, 2448328), (824, 1530205), (1030, 1224164), (2060, 612082), (4120, 306041)]