20131150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{30971}}^1$

素因数の和:30996

約数の個数: 24

約数和(自身を含む): 40325544

約数和(自身を除く): 20194394

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 30971, 61942, 154855, 309710, 402623, 774275, 805246, 1548550, 2013115, 4026230, 10065575, 20131150]

約数ペア:

[(1, 20131150), (2, 10065575), (5, 4026230), (10, 2013115), (13, 1548550), (25, 805246), (26, 774275), (50, 402623), (65, 309710), (130, 154855), (325, 61942), (650, 30971)]