201000640

素因数分解:

$2^6\times 5^1\times {\mathrm{628127}}^1$

素因数の和:628144

約数の個数: 28

約数和(自身を含む): 478633536

約数和(自身を除く): 277632896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 628127, 1256254, 2512508, 3140635, 5025016, 6281270, 10050032, 12562540, 20100064, 25125080, 40200128, 50250160, 100500320, 201000640]

約数ペア:

[(1, 201000640), (2, 100500320), (4, 50250160), (5, 40200128), (8, 25125080), (10, 20100064), (16, 12562540), (20, 10050032), (32, 6281270), (40, 5025016), (64, 3140635), (80, 2512508), (160, 1256254), (320, 628127)]