200028440

素因数分解:

$2^3\times 5^1\times {\mathrm{821}}^1\times {\mathrm{6091}}^1$

素因数の和:6923

約数の個数: 32

約数和(自身を含む): 450686160

約数和(自身を除く): 250657720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 821, 1642, 3284, 4105, 6091, 6568, 8210, 12182, 16420, 24364, 30455, 32840, 48728, 60910, 121820, 243640, 5000711, 10001422, 20002844, 25003555, 40005688, 50007110, 100014220, 200028440]

約数ペア:

[(1, 200028440), (2, 100014220), (4, 50007110), (5, 40005688), (8, 25003555), (10, 20002844), (20, 10001422), (40, 5000711), (821, 243640), (1642, 121820), (3284, 60910), (4105, 48728), (6091, 32840), (6568, 30455), (8210, 24364), (12182, 16420)]