25795640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{439}}^1$

素因数の和:576

約数の個数: 64

約数和(自身を含む): 63201600

約数和(自身を除く): 37405960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 113, 130, 226, 260, 439, 452, 520, 565, 878, 904, 1130, 1469, 1756, 2195, 2260, 2938, 3512, 4390, 4520, 5707, 5876, 7345, 8780, 11414, 11752, 14690, 17560, 22828, 28535, 29380, 45656, 49607, 57070, 58760, 99214, 114140, 198428, 228280, 248035, 396856, 496070, 644891, 992140, 1289782, 1984280, 2579564, 3224455, 5159128, 6448910, 12897820, 25795640]

約数ペア:

[(1, 25795640), (2, 12897820), (4, 6448910), (5, 5159128), (8, 3224455), (10, 2579564), (13, 1984280), (20, 1289782), (26, 992140), (40, 644891), (52, 496070), (65, 396856), (104, 248035), (113, 228280), (130, 198428), (226, 114140), (260, 99214), (439, 58760), (452, 57070), (520, 49607), (565, 45656), (878, 29380), (904, 28535), (1130, 22828), (1469, 17560), (1756, 14690), (2195, 11752), (2260, 11414), (2938, 8780), (3512, 7345), (4390, 5876), (4520, 5707)]