23182120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{409}}^1$

素因数の和:542

約数の個数: 64

約数和(自身を含む): 56826000

約数和(自身を除く): 33643880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 109, 130, 218, 260, 409, 436, 520, 545, 818, 872, 1090, 1417, 1636, 2045, 2180, 2834, 3272, 4090, 4360, 5317, 5668, 7085, 8180, 10634, 11336, 14170, 16360, 21268, 26585, 28340, 42536, 44581, 53170, 56680, 89162, 106340, 178324, 212680, 222905, 356648, 445810, 579553, 891620, 1159106, 1783240, 2318212, 2897765, 4636424, 5795530, 11591060, 23182120]

約数ペア:

[(1, 23182120), (2, 11591060), (4, 5795530), (5, 4636424), (8, 2897765), (10, 2318212), (13, 1783240), (20, 1159106), (26, 891620), (40, 579553), (52, 445810), (65, 356648), (104, 222905), (109, 212680), (130, 178324), (218, 106340), (260, 89162), (409, 56680), (436, 53170), (520, 44581), (545, 42536), (818, 28340), (872, 26585), (1090, 21268), (1417, 16360), (1636, 14170), (2045, 11336), (2180, 10634), (2834, 8180), (3272, 7085), (4090, 5668), (4360, 5317)]