40137808

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{80923}}^1$

素因数の和:80962

約数の個数: 20

約数和(自身を含む): 80276608

約数和(自身を除く): 40138800

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 80923, 161846, 323692, 647384, 1294768, 2508613, 5017226, 10034452, 20068904, 40137808]

約数ペア:

[(1, 40137808), (2, 20068904), (4, 10034452), (8, 5017226), (16, 2508613), (31, 1294768), (62, 647384), (124, 323692), (248, 161846), (496, 80923)]