7949500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1223}}^1$

素因数の和:1255

約数の個数: 48

約数和(自身を含む): 18712512

約数和(自身を除く): 10763012

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1223, 1300, 1625, 2446, 3250, 4892, 6115, 6500, 12230, 15899, 24460, 30575, 31798, 61150, 63596, 79495, 122300, 152875, 158990, 305750, 317980, 397475, 611500, 794950, 1589900, 1987375, 3974750, 7949500]

約数ペア:

[(1, 7949500), (2, 3974750), (4, 1987375), (5, 1589900), (10, 794950), (13, 611500), (20, 397475), (25, 317980), (26, 305750), (50, 158990), (52, 152875), (65, 122300), (100, 79495), (125, 63596), (130, 61150), (250, 31798), (260, 30575), (325, 24460), (500, 15899), (650, 12230), (1223, 6500), (1300, 6115), (1625, 4892), (2446, 3250)]