63990800

素因数分解:

$2^4\times 5^2\times {\mathrm{159977}}^1$

素因数の和:159995

約数の個数: 30

約数和(自身を含む): 153738858

約数和(自身を除く): 89748058

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 159977, 319954, 639908, 799885, 1279816, 1599770, 2559632, 3199540, 3999425, 6399080, 7998850, 12798160, 15997700, 31995400, 63990800]

約数ペア:

[(1, 63990800), (2, 31995400), (4, 15997700), (5, 12798160), (8, 7998850), (10, 6399080), (16, 3999425), (20, 3199540), (25, 2559632), (40, 1599770), (50, 1279816), (80, 799885), (100, 639908), (200, 319954), (400, 159977)]