157040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1$

素因数の和:177

約数の個数: 40

約数和(自身を含む): 395808

約数和(自身を除く): 238768

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 151, 208, 260, 302, 520, 604, 755, 1040, 1208, 1510, 1963, 2416, 3020, 3926, 6040, 7852, 9815, 12080, 15704, 19630, 31408, 39260, 78520, 157040]

約数ペア:

[(1, 157040), (2, 78520), (4, 39260), (5, 31408), (8, 19630), (10, 15704), (13, 12080), (16, 9815), (20, 7852), (26, 6040), (40, 3926), (52, 3020), (65, 2416), (80, 1963), (104, 1510), (130, 1208), (151, 1040), (208, 755), (260, 604), (302, 520)]