652600

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 1640520

約数和(自身を除く): 987920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 251, 260, 325, 502, 520, 650, 1004, 1255, 1300, 2008, 2510, 2600, 3263, 5020, 6275, 6526, 10040, 12550, 13052, 16315, 25100, 26104, 32630, 50200, 65260, 81575, 130520, 163150, 326300, 652600]

約数ペア:

[(1, 652600), (2, 326300), (4, 163150), (5, 130520), (8, 81575), (10, 65260), (13, 50200), (20, 32630), (25, 26104), (26, 25100), (40, 16315), (50, 13052), (52, 12550), (65, 10040), (100, 6526), (104, 6275), (130, 5020), (200, 3263), (251, 2600), (260, 2510), (325, 2008), (502, 1300), (520, 1255), (650, 1004)]