13420240

素因数分解:

$2^4\times 5^1\times {\mathrm{227}}^1\times {\mathrm{739}}^1$

素因数の和:979

約数の個数: 40

約数和(自身を含む): 31381920

約数和(自身を除く): 17961680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 227, 454, 739, 908, 1135, 1478, 1816, 2270, 2956, 3632, 3695, 4540, 5912, 7390, 9080, 11824, 14780, 18160, 29560, 59120, 167753, 335506, 671012, 838765, 1342024, 1677530, 2684048, 3355060, 6710120, 13420240]

約数ペア:

[(1, 13420240), (2, 6710120), (4, 3355060), (5, 2684048), (8, 1677530), (10, 1342024), (16, 838765), (20, 671012), (40, 335506), (80, 167753), (227, 59120), (454, 29560), (739, 18160), (908, 14780), (1135, 11824), (1478, 9080), (1816, 7390), (2270, 5912), (2956, 4540), (3632, 3695)]