16665140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{487}}^1$

素因数の和:584

約数の個数: 48

約数和(自身を含む): 36892800

約数和(自身を除く): 20227660

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 59, 116, 118, 145, 236, 290, 295, 487, 580, 590, 974, 1180, 1711, 1948, 2435, 3422, 4870, 6844, 8555, 9740, 14123, 17110, 28246, 28733, 34220, 56492, 57466, 70615, 114932, 141230, 143665, 282460, 287330, 574660, 833257, 1666514, 3333028, 4166285, 8332570, 16665140]

約数ペア:

[(1, 16665140), (2, 8332570), (4, 4166285), (5, 3333028), (10, 1666514), (20, 833257), (29, 574660), (58, 287330), (59, 282460), (116, 143665), (118, 141230), (145, 114932), (236, 70615), (290, 57466), (295, 56492), (487, 34220), (580, 28733), (590, 28246), (974, 17110), (1180, 14123), (1711, 9740), (1948, 8555), (2435, 6844), (3422, 4870)]