25490930

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{787}}^1$

素因数の和:914

約数の個数: 32

約数和(自身を含む): 47658240

約数和(自身を除く): 22167310

約数列:

[1, 2, 5, 10, 41, 79, 82, 158, 205, 395, 410, 787, 790, 1574, 3239, 3935, 6478, 7870, 16195, 32267, 32390, 62173, 64534, 124346, 161335, 310865, 322670, 621730, 2549093, 5098186, 12745465, 25490930]

約数ペア:

[(1, 25490930), (2, 12745465), (5, 5098186), (10, 2549093), (41, 621730), (79, 322670), (82, 310865), (158, 161335), (205, 124346), (395, 64534), (410, 62173), (787, 32390), (790, 32267), (1574, 16195), (3239, 7870), (3935, 6478)]