67872020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109471}}^1$

素因数の和:109511

約数の個数: 24

約数和(自身を含む): 147130368

約数和(自身を除く): 79258348

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 109471, 218942, 437884, 547355, 1094710, 2189420, 3393601, 6787202, 13574404, 16968005, 33936010, 67872020]

約数ペア:

[(1, 67872020), (2, 33936010), (4, 16968005), (5, 13574404), (10, 6787202), (20, 3393601), (31, 2189420), (62, 1094710), (124, 547355), (155, 437884), (310, 218942), (620, 109471)]