39857020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{9817}}^1$

素因数の和:9862

約数の個数: 48

約数和(自身を含む): 98965440

約数和(自身を除く): 59108420

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, 9817, 19634, 39268, 49085, 68719, 98170, 137438, 196340, 274876, 284693, 343595, 569386, 687190, 1138772, 1374380, 1423465, 1992851, 2846930, 3985702, 5693860, 7971404, 9964255, 19928510, 39857020]

約数ペア:

[(1, 39857020), (2, 19928510), (4, 9964255), (5, 7971404), (7, 5693860), (10, 3985702), (14, 2846930), (20, 1992851), (28, 1423465), (29, 1374380), (35, 1138772), (58, 687190), (70, 569386), (116, 343595), (140, 284693), (145, 274876), (203, 196340), (290, 137438), (406, 98170), (580, 68719), (812, 49085), (1015, 39268), (2030, 19634), (4060, 9817)]