31523960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{60623}}^1$

素因数の和:60647

約数の個数: 32

約数和(自身を含む): 76386240

約数和(自身を除く): 44862280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 60623, 121246, 242492, 303115, 484984, 606230, 788099, 1212460, 1576198, 2424920, 3152396, 3940495, 6304792, 7880990, 15761980, 31523960]

約数ペア:

[(1, 31523960), (2, 15761980), (4, 7880990), (5, 6304792), (8, 3940495), (10, 3152396), (13, 2424920), (20, 1576198), (26, 1212460), (40, 788099), (52, 606230), (65, 484984), (104, 303115), (130, 242492), (260, 121246), (520, 60623)]