201549980

素因数分解:

$2^2\times 5^1\times {\mathrm{2131}}^1\times {\mathrm{4729}}^1$

素因数の和:6869

約数の個数: 24

約数和(自身を含む): 423543120

約数和(自身を除く): 221993140

約数列:

[1, 2, 4, 5, 10, 20, 2131, 4262, 4729, 8524, 9458, 10655, 18916, 21310, 23645, 42620, 47290, 94580, 10077499, 20154998, 40309996, 50387495, 100774990, 201549980]

約数ペア:

[(1, 201549980), (2, 100774990), (4, 50387495), (5, 40309996), (10, 20154998), (20, 10077499), (2131, 94580), (4262, 47290), (4729, 42620), (8524, 23645), (9458, 21310), (10655, 18916)]