15742220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{317}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 35900928

約数和(自身を除く): 20158708

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 191, 260, 317, 382, 634, 764, 955, 1268, 1585, 1910, 2483, 3170, 3820, 4121, 4966, 6340, 8242, 9932, 12415, 16484, 20605, 24830, 41210, 49660, 60547, 82420, 121094, 242188, 302735, 605470, 787111, 1210940, 1574222, 3148444, 3935555, 7871110, 15742220]

約数ペア:

[(1, 15742220), (2, 7871110), (4, 3935555), (5, 3148444), (10, 1574222), (13, 1210940), (20, 787111), (26, 605470), (52, 302735), (65, 242188), (130, 121094), (191, 82420), (260, 60547), (317, 49660), (382, 41210), (634, 24830), (764, 20605), (955, 16484), (1268, 12415), (1585, 9932), (1910, 8242), (2483, 6340), (3170, 4966), (3820, 4121)]