2016309320

素因数分解:

$2^3\times 5^1\times {\mathrm{4957}}^1\times {\mathrm{10169}}^1$

素因数の和:15137

約数の個数: 32

約数和(自身を含む): 4538057400

約数和(自身を除く): 2521748080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4957, 9914, 10169, 19828, 20338, 24785, 39656, 40676, 49570, 50845, 81352, 99140, 101690, 198280, 203380, 406760, 50407733, 100815466, 201630932, 252038665, 403261864, 504077330, 1008154660, 2016309320]

約数ペア:

[(1, 2016309320), (2, 1008154660), (4, 504077330), (5, 403261864), (8, 252038665), (10, 201630932), (20, 100815466), (40, 50407733), (4957, 406760), (9914, 203380), (10169, 198280), (19828, 101690), (20338, 99140), (24785, 81352), (39656, 50845), (40676, 49570)]