164017240

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1\times {\mathrm{277}}^1$

素因数の和:532

約数の個数: 64

約数和(自身を含む): 376500960

約数和(自身を除く): 212483720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 131, 226, 262, 277, 452, 524, 554, 565, 655, 904, 1048, 1108, 1130, 1310, 1385, 2216, 2260, 2620, 2770, 4520, 5240, 5540, 11080, 14803, 29606, 31301, 36287, 59212, 62602, 72574, 74015, 118424, 125204, 145148, 148030, 156505, 181435, 250408, 290296, 296060, 313010, 362870, 592120, 626020, 725740, 1252040, 1451480, 4100431, 8200862, 16401724, 20502155, 32803448, 41004310, 82008620, 164017240]

約数ペア:

[(1, 164017240), (2, 82008620), (4, 41004310), (5, 32803448), (8, 20502155), (10, 16401724), (20, 8200862), (40, 4100431), (113, 1451480), (131, 1252040), (226, 725740), (262, 626020), (277, 592120), (452, 362870), (524, 313010), (554, 296060), (565, 290296), (655, 250408), (904, 181435), (1048, 156505), (1108, 148030), (1130, 145148), (1310, 125204), (1385, 118424), (2216, 74015), (2260, 72574), (2620, 62602), (2770, 59212), (4520, 36287), (5240, 31301), (5540, 29606), (11080, 14803)]