20181646160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19405429}}^1$

素因数の和:19405455

約数の個数: 40

約数和(自身を含む): 50531739720

約数和(自身を除く): 30350093560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 19405429, 38810858, 77621716, 97027145, 155243432, 194054290, 252270577, 310486864, 388108580, 504541154, 776217160, 1009082308, 1261352885, 1552434320, 2018164616, 2522705770, 4036329232, 5045411540, 10090823080, 20181646160]

約数ペア:

[(1, 20181646160), (2, 10090823080), (4, 5045411540), (5, 4036329232), (8, 2522705770), (10, 2018164616), (13, 1552434320), (16, 1261352885), (20, 1009082308), (26, 776217160), (40, 504541154), (52, 388108580), (65, 310486864), (80, 252270577), (104, 194054290), (130, 155243432), (208, 97027145), (260, 77621716), (520, 38810858), (1040, 19405429)]