2012223920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1531}}^1\times {\mathrm{2347}}^1$

素因数の和:3898

約数の個数: 80

約数和(自身を含む): 5352538368

約数和(自身を除く): 3340314448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1531, 2347, 3062, 4694, 6124, 7655, 9388, 10717, 11735, 12248, 15310, 16429, 18776, 21434, 23470, 24496, 30620, 32858, 37552, 42868, 46940, 53585, 61240, 65716, 82145, 85736, 93880, 107170, 122480, 131432, 164290, 171472, 187760, 214340, 262864, 328580, 428680, 657160, 857360, 1314320, 3593257, 7186514, 14373028, 17966285, 25152799, 28746056, 35932570, 50305598, 57492112, 71865140, 100611196, 125763995, 143730280, 201222392, 251527990, 287460560, 402444784, 503055980, 1006111960, 2012223920]

約数ペア:

[(1, 2012223920), (2, 1006111960), (4, 503055980), (5, 402444784), (7, 287460560), (8, 251527990), (10, 201222392), (14, 143730280), (16, 125763995), (20, 100611196), (28, 71865140), (35, 57492112), (40, 50305598), (56, 35932570), (70, 28746056), (80, 25152799), (112, 17966285), (140, 14373028), (280, 7186514), (560, 3593257), (1531, 1314320), (2347, 857360), (3062, 657160), (4694, 428680), (6124, 328580), (7655, 262864), (9388, 214340), (10717, 187760), (11735, 171472), (12248, 164290), (15310, 131432), (16429, 122480), (18776, 107170), (21434, 93880), (23470, 85736), (24496, 82145), (30620, 65716), (32858, 61240), (37552, 53585), (42868, 46940)]