1631500

素因数分解:

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

素因数の和:283

約数の個数: 48

約数和(自身を含む): 3852576

約数和(自身を除く): 2221076

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 251, 260, 325, 500, 502, 650, 1004, 1255, 1300, 1625, 2510, 3250, 3263, 5020, 6275, 6500, 6526, 12550, 13052, 16315, 25100, 31375, 32630, 62750, 65260, 81575, 125500, 163150, 326300, 407875, 815750, 1631500]

約数ペア:

[(1, 1631500), (2, 815750), (4, 407875), (5, 326300), (10, 163150), (13, 125500), (20, 81575), (25, 65260), (26, 62750), (50, 32630), (52, 31375), (65, 25100), (100, 16315), (125, 13052), (130, 12550), (250, 6526), (251, 6500), (260, 6275), (325, 5020), (500, 3263), (502, 3250), (650, 2510), (1004, 1625), (1255, 1300)]