195420640

素因数分解:

$2^5\times 5^1\times {\mathrm{1221379}}^1$

素因数の和:1221394

約数の個数: 24

約数和(自身を含む): 461681640

約数和(自身を除く): 266261000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1221379, 2442758, 4885516, 6106895, 9771032, 12213790, 19542064, 24427580, 39084128, 48855160, 97710320, 195420640]

約数ペア:

[(1, 195420640), (2, 97710320), (4, 48855160), (5, 39084128), (8, 24427580), (10, 19542064), (16, 12213790), (20, 9771032), (32, 6106895), (40, 4885516), (80, 2442758), (160, 1221379)]