31140080

素因数分解:

$2^4\times 5^1\times {\mathrm{419}}^1\times {\mathrm{929}}^1$

素因数の和:1361

約数の個数: 40

約数和(自身を含む): 72651600

約数和(自身を除く): 41511520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 419, 838, 929, 1676, 1858, 2095, 3352, 3716, 4190, 4645, 6704, 7432, 8380, 9290, 14864, 16760, 18580, 33520, 37160, 74320, 389251, 778502, 1557004, 1946255, 3114008, 3892510, 6228016, 7785020, 15570040, 31140080]

約数ペア:

[(1, 31140080), (2, 15570040), (4, 7785020), (5, 6228016), (8, 3892510), (10, 3114008), (16, 1946255), (20, 1557004), (40, 778502), (80, 389251), (419, 74320), (838, 37160), (929, 33520), (1676, 18580), (1858, 16760), (2095, 14864), (3352, 9290), (3716, 8380), (4190, 7432), (4645, 6704)]