201313820

素因数分解:

$2^2\times 5^1\times {\mathrm{1249}}^1\times {\mathrm{8059}}^1$

素因数の和:9317

約数の個数: 24

約数和(自身を含む): 423150000

約数和(自身を除く): 221836180

約数列:

[1, 2, 4, 5, 10, 20, 1249, 2498, 4996, 6245, 8059, 12490, 16118, 24980, 32236, 40295, 80590, 161180, 10065691, 20131382, 40262764, 50328455, 100656910, 201313820]

約数ペア:

[(1, 201313820), (2, 100656910), (4, 50328455), (5, 40262764), (10, 20131382), (20, 10065691), (1249, 161180), (2498, 80590), (4996, 40295), (6245, 32236), (8059, 24980), (12490, 16118)]