31998520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{34781}}^1$

素因数の和:34815

約数の個数: 32

約数和(自身を含む): 75129120

約数和(自身を除く): 43130600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 34781, 69562, 139124, 173905, 278248, 347810, 695620, 799963, 1391240, 1599926, 3199852, 3999815, 6399704, 7999630, 15999260, 31998520]

約数ペア:

[(1, 31998520), (2, 15999260), (4, 7999630), (5, 6399704), (8, 3999815), (10, 3199852), (20, 1599926), (23, 1391240), (40, 799963), (46, 695620), (92, 347810), (115, 278248), (184, 173905), (230, 139124), (460, 69562), (920, 34781)]