23085320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1997}}^1$

素因数の和:2042

約数の個数: 48

約数和(自身を含む): 55204740

約数和(自身を除く): 32119420

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 1997, 2312, 2890, 3994, 5780, 7988, 9985, 11560, 15976, 19970, 33949, 39940, 67898, 79880, 135796, 169745, 271592, 339490, 577133, 678980, 1154266, 1357960, 2308532, 2885665, 4617064, 5771330, 11542660, 23085320]

約数ペア:

[(1, 23085320), (2, 11542660), (4, 5771330), (5, 4617064), (8, 2885665), (10, 2308532), (17, 1357960), (20, 1154266), (34, 678980), (40, 577133), (68, 339490), (85, 271592), (136, 169745), (170, 135796), (289, 79880), (340, 67898), (578, 39940), (680, 33949), (1156, 19970), (1445, 15976), (1997, 11560), (2312, 9985), (2890, 7988), (3994, 5780)]