40326520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77551}}^1$

素因数の和:77575

約数の個数: 32

約数和(自身を含む): 97715520

約数和(自身を除く): 57389000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 77551, 155102, 310204, 387755, 620408, 775510, 1008163, 1551020, 2016326, 3102040, 4032652, 5040815, 8065304, 10081630, 20163260, 40326520]

約数ペア:

[(1, 40326520), (2, 20163260), (4, 10081630), (5, 8065304), (8, 5040815), (10, 4032652), (13, 3102040), (20, 2016326), (26, 1551020), (40, 1008163), (52, 775510), (65, 620408), (104, 387755), (130, 310204), (260, 155102), (520, 77551)]