100805560

素因数分解:

$2^3\times 5^1\times {\mathrm{2520139}}^1$

素因数の和:2520150

約数の個数: 16

約数和(自身を含む): 226812600

約数和(自身を除く): 126007040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2520139, 5040278, 10080556, 12600695, 20161112, 25201390, 50402780, 100805560]

約数ペア:

[(1, 100805560), (2, 50402780), (4, 25201390), (5, 20161112), (8, 12600695), (10, 10080556), (20, 5040278), (40, 2520139)]