2403987640

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{239441}}^1$

素因数の和:239703

約数の個数: 32

約数和(自身を含む): 5430544560

約数和(自身を除く): 3026556920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 10040, 239441, 478882, 957764, 1197205, 1915528, 2394410, 4788820, 9577640, 60099691, 120199382, 240398764, 300498455, 480797528, 600996910, 1201993820, 2403987640]

約数ペア:

[(1, 2403987640), (2, 1201993820), (4, 600996910), (5, 480797528), (8, 300498455), (10, 240398764), (20, 120199382), (40, 60099691), (251, 9577640), (502, 4788820), (1004, 2394410), (1255, 1915528), (2008, 1197205), (2510, 957764), (5020, 478882), (10040, 239441)]