15554500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{2393}}^1$

素因数の和:2425

約数の個数: 48

約数和(自身を含む): 36599472

約数和(自身を除く): 21044972

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 2393, 3250, 4786, 6500, 9572, 11965, 23930, 31109, 47860, 59825, 62218, 119650, 124436, 155545, 239300, 299125, 311090, 598250, 622180, 777725, 1196500, 1555450, 3110900, 3888625, 7777250, 15554500]

約数ペア:

[(1, 15554500), (2, 7777250), (4, 3888625), (5, 3110900), (10, 1555450), (13, 1196500), (20, 777725), (25, 622180), (26, 598250), (50, 311090), (52, 299125), (65, 239300), (100, 155545), (125, 124436), (130, 119650), (250, 62218), (260, 59825), (325, 47860), (500, 31109), (650, 23930), (1300, 11965), (1625, 9572), (2393, 6500), (3250, 4786)]