31393820

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{5113}}^1$

素因数の和:5429

約数の個数: 24

約数和(自身を含む): 66154704

約数和(自身を除く): 34760884

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 3070, 5113, 6140, 10226, 20452, 25565, 51130, 102260, 1569691, 3139382, 6278764, 7848455, 15696910, 31393820]

約数ペア:

[(1, 31393820), (2, 15696910), (4, 7848455), (5, 6278764), (10, 3139382), (20, 1569691), (307, 102260), (614, 51130), (1228, 25565), (1535, 20452), (3070, 10226), (5113, 6140)]