188240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1$

素因数の和:207

約数の個数: 40

約数和(自身を含む): 473928

約数和(自身を除く): 285688

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 181, 208, 260, 362, 520, 724, 905, 1040, 1448, 1810, 2353, 2896, 3620, 4706, 7240, 9412, 11765, 14480, 18824, 23530, 37648, 47060, 94120, 188240]

約数ペア:

[(1, 188240), (2, 94120), (4, 47060), (5, 37648), (8, 23530), (10, 18824), (13, 14480), (16, 11765), (20, 9412), (26, 7240), (40, 4706), (52, 3620), (65, 2896), (80, 2353), (104, 1810), (130, 1448), (181, 1040), (208, 905), (260, 724), (362, 520)]