28305160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1877}}^1$

素因数の和:1930

約数の個数: 64

約数和(自身を含む): 70988400

約数和(自身を除く): 42683240

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, 1877, 1885, 3016, 3754, 3770, 7508, 7540, 9385, 15016, 15080, 18770, 24401, 37540, 48802, 54433, 75080, 97604, 108866, 122005, 195208, 217732, 244010, 272165, 435464, 488020, 544330, 707629, 976040, 1088660, 1415258, 2177320, 2830516, 3538145, 5661032, 7076290, 14152580, 28305160]

約数ペア:

[(1, 28305160), (2, 14152580), (4, 7076290), (5, 5661032), (8, 3538145), (10, 2830516), (13, 2177320), (20, 1415258), (26, 1088660), (29, 976040), (40, 707629), (52, 544330), (58, 488020), (65, 435464), (104, 272165), (116, 244010), (130, 217732), (145, 195208), (232, 122005), (260, 108866), (290, 97604), (377, 75080), (520, 54433), (580, 48802), (754, 37540), (1160, 24401), (1508, 18770), (1877, 15080), (1885, 15016), (3016, 9385), (3754, 7540), (3770, 7508)]