25736360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1151}}^1$

素因数の和:1218

約数の個数: 64

約数和(自身を含む): 63866880

約数和(自身を除く): 38130520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 860, 1118, 1151, 1720, 2236, 2302, 2795, 4472, 4604, 5590, 5755, 9208, 11180, 11510, 14963, 22360, 23020, 29926, 46040, 49493, 59852, 74815, 98986, 119704, 149630, 197972, 247465, 299260, 395944, 494930, 598520, 643409, 989860, 1286818, 1979720, 2573636, 3217045, 5147272, 6434090, 12868180, 25736360]

約数ペア:

[(1, 25736360), (2, 12868180), (4, 6434090), (5, 5147272), (8, 3217045), (10, 2573636), (13, 1979720), (20, 1286818), (26, 989860), (40, 643409), (43, 598520), (52, 494930), (65, 395944), (86, 299260), (104, 247465), (130, 197972), (172, 149630), (215, 119704), (260, 98986), (344, 74815), (430, 59852), (520, 49493), (559, 46040), (860, 29926), (1118, 23020), (1151, 22360), (1720, 14963), (2236, 11510), (2302, 11180), (2795, 9208), (4472, 5755), (4604, 5590)]