101800640

素因数分解:

$2^6\times 5^1\times {\mathrm{318127}}^1$

素因数の和:318144

約数の個数: 28

約数和(自身を含む): 242413536

約数和(自身を除く): 140612896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 318127, 636254, 1272508, 1590635, 2545016, 3181270, 5090032, 6362540, 10180064, 12725080, 20360128, 25450160, 50900320, 101800640]

約数ペア:

[(1, 101800640), (2, 50900320), (4, 25450160), (5, 20360128), (8, 12725080), (10, 10180064), (16, 6362540), (20, 5090032), (32, 3181270), (40, 2545016), (64, 1590635), (80, 1272508), (160, 636254), (320, 318127)]