201640780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{5623}}^1$

素因数の和:5806

約数の個数: 48

約数和(自身を含む): 464857344

約数和(自身を除く): 263216564

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 163, 220, 326, 652, 815, 1630, 1793, 3260, 3586, 5623, 7172, 8965, 11246, 17930, 22492, 28115, 35860, 56230, 61853, 112460, 123706, 247412, 309265, 618530, 916549, 1237060, 1833098, 3666196, 4582745, 9165490, 10082039, 18330980, 20164078, 40328156, 50410195, 100820390, 201640780]

約数ペア:

[(1, 201640780), (2, 100820390), (4, 50410195), (5, 40328156), (10, 20164078), (11, 18330980), (20, 10082039), (22, 9165490), (44, 4582745), (55, 3666196), (110, 1833098), (163, 1237060), (220, 916549), (326, 618530), (652, 309265), (815, 247412), (1630, 123706), (1793, 112460), (3260, 61853), (3586, 56230), (5623, 35860), (7172, 28115), (8965, 22492), (11246, 17930)]