80111240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1117}}^1$

素因数の和:1302

約数の個数: 64

約数和(自身を含む): 198020160

約数和(自身を除く): 117908920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 163, 220, 326, 440, 652, 815, 1117, 1304, 1630, 1793, 2234, 3260, 3586, 4468, 5585, 6520, 7172, 8936, 8965, 11170, 12287, 14344, 17930, 22340, 24574, 35860, 44680, 49148, 61435, 71720, 98296, 122870, 182071, 245740, 364142, 491480, 728284, 910355, 1456568, 1820710, 2002781, 3641420, 4005562, 7282840, 8011124, 10013905, 16022248, 20027810, 40055620, 80111240]

約数ペア:

[(1, 80111240), (2, 40055620), (4, 20027810), (5, 16022248), (8, 10013905), (10, 8011124), (11, 7282840), (20, 4005562), (22, 3641420), (40, 2002781), (44, 1820710), (55, 1456568), (88, 910355), (110, 728284), (163, 491480), (220, 364142), (326, 245740), (440, 182071), (652, 122870), (815, 98296), (1117, 71720), (1304, 61435), (1630, 49148), (1793, 44680), (2234, 35860), (3260, 24574), (3586, 22340), (4468, 17930), (5585, 14344), (6520, 12287), (7172, 11170), (8936, 8965)]