31583240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{60737}}^1$

素因数の和:60761

約数の個数: 32

約数和(自身を含む): 76529880

約数和(自身を除く): 44946640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 60737, 121474, 242948, 303685, 485896, 607370, 789581, 1214740, 1579162, 2429480, 3158324, 3947905, 6316648, 7895810, 15791620, 31583240]

約数ペア:

[(1, 31583240), (2, 15791620), (4, 7895810), (5, 6316648), (8, 3947905), (10, 3158324), (13, 2429480), (20, 1579162), (26, 1214740), (40, 789581), (52, 607370), (65, 485896), (104, 303685), (130, 242948), (260, 121474), (520, 60737)]