253947080

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{80363}}^1$

素因数の和:80453

約数の個数: 32

約数和(自身を含む): 578620800

約数和(自身を除く): 324673720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 80363, 160726, 321452, 401815, 642904, 803630, 1607260, 3214520, 6348677, 12697354, 25394708, 31743385, 50789416, 63486770, 126973540, 253947080]

約数ペア:

[(1, 253947080), (2, 126973540), (4, 63486770), (5, 50789416), (8, 31743385), (10, 25394708), (20, 12697354), (40, 6348677), (79, 3214520), (158, 1607260), (316, 803630), (395, 642904), (632, 401815), (790, 321452), (1580, 160726), (3160, 80363)]