2008492840

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{635599}}^1$

素因数の和:635689

約数の個数: 32

約数和(自身を含む): 4576320000

約数和(自身を除く): 2567827160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 635599, 1271198, 2542396, 3177995, 5084792, 6355990, 12711980, 25423960, 50212321, 100424642, 200849284, 251061605, 401698568, 502123210, 1004246420, 2008492840]

約数ペア:

[(1, 2008492840), (2, 1004246420), (4, 502123210), (5, 401698568), (8, 251061605), (10, 200849284), (20, 100424642), (40, 50212321), (79, 25423960), (158, 12711980), (316, 6355990), (395, 5084792), (632, 3177995), (790, 2542396), (1580, 1271198), (3160, 635599)]