42638500

素因数分解:

$2^2\times 5^3\times {\mathrm{53}}^1\times {\mathrm{1609}}^1$

素因数の和:1681

約数の個数: 48

約数和(自身を含む): 94938480

約数和(自身を除く): 52299980

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 125, 212, 250, 265, 500, 530, 1060, 1325, 1609, 2650, 3218, 5300, 6436, 6625, 8045, 13250, 16090, 26500, 32180, 40225, 80450, 85277, 160900, 170554, 201125, 341108, 402250, 426385, 804500, 852770, 1705540, 2131925, 4263850, 8527700, 10659625, 21319250, 42638500]

約数ペア:

[(1, 42638500), (2, 21319250), (4, 10659625), (5, 8527700), (10, 4263850), (20, 2131925), (25, 1705540), (50, 852770), (53, 804500), (100, 426385), (106, 402250), (125, 341108), (212, 201125), (250, 170554), (265, 160900), (500, 85277), (530, 80450), (1060, 40225), (1325, 32180), (1609, 26500), (2650, 16090), (3218, 13250), (5300, 8045), (6436, 6625)]