15971540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1307}}^1$

素因数の和:1376

約数の個数: 48

約数和(自身を含む): 36916992

約数和(自身を除く): 20945452

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 1307, 2444, 2614, 3055, 5228, 6110, 6535, 12220, 13070, 16991, 26140, 33982, 61429, 67964, 84955, 122858, 169910, 245716, 307145, 339820, 614290, 798577, 1228580, 1597154, 3194308, 3992885, 7985770, 15971540]

約数ペア:

[(1, 15971540), (2, 7985770), (4, 3992885), (5, 3194308), (10, 1597154), (13, 1228580), (20, 798577), (26, 614290), (47, 339820), (52, 307145), (65, 245716), (94, 169910), (130, 122858), (188, 84955), (235, 67964), (260, 61429), (470, 33982), (611, 26140), (940, 16991), (1222, 13070), (1307, 12220), (2444, 6535), (2614, 6110), (3055, 5228)]