17996880920

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{162251}}^1$

素因数の和:162368

約数の個数: 64

約数和(自身を含む): 42055718400

約数和(自身を除く): 24058837480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 59, 94, 118, 188, 235, 236, 295, 376, 470, 472, 590, 940, 1180, 1880, 2360, 2773, 5546, 11092, 13865, 22184, 27730, 55460, 110920, 162251, 324502, 649004, 811255, 1298008, 1622510, 3245020, 6490040, 7625797, 9572809, 15251594, 19145618, 30503188, 38128985, 38291236, 47864045, 61006376, 76257970, 76582472, 95728090, 152515940, 191456180, 305031880, 382912360, 449922023, 899844046, 1799688092, 2249610115, 3599376184, 4499220230, 8998440460, 17996880920]

約数ペア:

[(1, 17996880920), (2, 8998440460), (4, 4499220230), (5, 3599376184), (8, 2249610115), (10, 1799688092), (20, 899844046), (40, 449922023), (47, 382912360), (59, 305031880), (94, 191456180), (118, 152515940), (188, 95728090), (235, 76582472), (236, 76257970), (295, 61006376), (376, 47864045), (470, 38291236), (472, 38128985), (590, 30503188), (940, 19145618), (1180, 15251594), (1880, 9572809), (2360, 7625797), (2773, 6490040), (5546, 3245020), (11092, 1622510), (13865, 1298008), (22184, 811255), (27730, 649004), (55460, 324502), (110920, 162251)]