15725060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1951}}^1$

素因数の和:2004

約数の個数: 48

約数和(自身を含む): 36728832

約数和(自身を除く): 21003772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 1951, 2015, 3902, 4030, 7804, 8060, 9755, 19510, 25363, 39020, 50726, 60481, 101452, 120962, 126815, 241924, 253630, 302405, 507260, 604810, 786253, 1209620, 1572506, 3145012, 3931265, 7862530, 15725060]

約数ペア:

[(1, 15725060), (2, 7862530), (4, 3931265), (5, 3145012), (10, 1572506), (13, 1209620), (20, 786253), (26, 604810), (31, 507260), (52, 302405), (62, 253630), (65, 241924), (124, 126815), (130, 120962), (155, 101452), (260, 60481), (310, 50726), (403, 39020), (620, 25363), (806, 19510), (1612, 9755), (1951, 8060), (2015, 7804), (3902, 4030)]