64217020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{15817}}^1$

素因数の和:15862

約数の個数: 48

約数和(自身を含む): 159445440

約数和(自身を除く): 95228420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 15817, 31634, 63268, 79085, 110719, 158170, 221438, 316340, 442876, 458693, 553595, 917386, 1107190, 1834772, 2214380, 2293465, 3210851, 4586930, 6421702, 9173860, 12843404, 16054255, 32108510, 64217020]

約数ペア:

[(1, 64217020), (2, 32108510), (4, 16054255), (5, 12843404), (7, 9173860), (10, 6421702), (14, 4586930), (20, 3210851), (28, 2293465), (29, 2214380), (35, 1834772), (58, 1107190), (70, 917386), (116, 553595), (140, 458693), (145, 442876), (203, 316340), (290, 221438), (406, 158170), (580, 110719), (812, 79085), (1015, 63268), (2030, 31634), (4060, 15817)]