206128520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{13669}}^1$

素因数の和:13722

約数の個数: 64

約数和(自身を含む): 516726000

約数和(自身を除く): 310597480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 145, 232, 260, 290, 377, 520, 580, 754, 1160, 1508, 1885, 3016, 3770, 7540, 13669, 15080, 27338, 54676, 68345, 109352, 136690, 177697, 273380, 355394, 396401, 546760, 710788, 792802, 888485, 1421576, 1585604, 1776970, 1982005, 3171208, 3553940, 3964010, 5153213, 7107880, 7928020, 10306426, 15856040, 20612852, 25766065, 41225704, 51532130, 103064260, 206128520]

約数ペア:

[(1, 206128520), (2, 103064260), (4, 51532130), (5, 41225704), (8, 25766065), (10, 20612852), (13, 15856040), (20, 10306426), (26, 7928020), (29, 7107880), (40, 5153213), (52, 3964010), (58, 3553940), (65, 3171208), (104, 1982005), (116, 1776970), (130, 1585604), (145, 1421576), (232, 888485), (260, 792802), (290, 710788), (377, 546760), (520, 396401), (580, 355394), (754, 273380), (1160, 177697), (1508, 136690), (1885, 109352), (3016, 68345), (3770, 54676), (7540, 27338), (13669, 15080)]