31860760

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1901}}^1$

素因数の和:2331

約数の個数: 32

約数和(自身を含む): 71895600

約数和(自身を除く): 40034840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 1901, 2095, 3352, 3802, 4190, 7604, 8380, 9505, 15208, 16760, 19010, 38020, 76040, 796519, 1593038, 3186076, 3982595, 6372152, 7965190, 15930380, 31860760]

約数ペア:

[(1, 31860760), (2, 15930380), (4, 7965190), (5, 6372152), (8, 3982595), (10, 3186076), (20, 1593038), (40, 796519), (419, 76040), (838, 38020), (1676, 19010), (1901, 16760), (2095, 15208), (3352, 9505), (3802, 8380), (4190, 7604)]