6638320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{491}}^1$

素因数の和:530

約数の個数: 60

約数和(自身を含む): 16746696

約数和(自身を除く): 10108376

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 491, 520, 676, 845, 982, 1040, 1352, 1690, 1964, 2455, 2704, 3380, 3928, 4910, 6383, 6760, 7856, 9820, 12766, 13520, 19640, 25532, 31915, 39280, 51064, 63830, 82979, 102128, 127660, 165958, 255320, 331916, 414895, 510640, 663832, 829790, 1327664, 1659580, 3319160, 6638320]

約数ペア:

[(1, 6638320), (2, 3319160), (4, 1659580), (5, 1327664), (8, 829790), (10, 663832), (13, 510640), (16, 414895), (20, 331916), (26, 255320), (40, 165958), (52, 127660), (65, 102128), (80, 82979), (104, 63830), (130, 51064), (169, 39280), (208, 31915), (260, 25532), (338, 19640), (491, 13520), (520, 12766), (676, 9820), (845, 7856), (982, 6760), (1040, 6383), (1352, 4910), (1690, 3928), (1964, 3380), (2455, 2704)]