203706520

素因数分解:

$2^3\times 5^1\times {\mathrm{821}}^1\times {\mathrm{6203}}^1$

素因数の和:7035

約数の個数: 32

約数和(自身を含む): 458971920

約数和(自身を除く): 255265400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 821, 1642, 3284, 4105, 6203, 6568, 8210, 12406, 16420, 24812, 31015, 32840, 49624, 62030, 124060, 248120, 5092663, 10185326, 20370652, 25463315, 40741304, 50926630, 101853260, 203706520]

約数ペア:

[(1, 203706520), (2, 101853260), (4, 50926630), (5, 40741304), (8, 25463315), (10, 20370652), (20, 10185326), (40, 5092663), (821, 248120), (1642, 124060), (3284, 62030), (4105, 49624), (6203, 32840), (6568, 31015), (8210, 24812), (12406, 16420)]