20076400

素因数分解:

$2^4\times 5^2\times {\mathrm{53}}^1\times {\mathrm{947}}^1$

素因数の和:1018

約数の個数: 60

約数和(自身を含む): 49195512

約数和(自身を除く): 29119112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 53, 80, 100, 106, 200, 212, 265, 400, 424, 530, 848, 947, 1060, 1325, 1894, 2120, 2650, 3788, 4240, 4735, 5300, 7576, 9470, 10600, 15152, 18940, 21200, 23675, 37880, 47350, 50191, 75760, 94700, 100382, 189400, 200764, 250955, 378800, 401528, 501910, 803056, 1003820, 1254775, 2007640, 2509550, 4015280, 5019100, 10038200, 20076400]

約数ペア:

[(1, 20076400), (2, 10038200), (4, 5019100), (5, 4015280), (8, 2509550), (10, 2007640), (16, 1254775), (20, 1003820), (25, 803056), (40, 501910), (50, 401528), (53, 378800), (80, 250955), (100, 200764), (106, 189400), (200, 100382), (212, 94700), (265, 75760), (400, 50191), (424, 47350), (530, 37880), (848, 23675), (947, 21200), (1060, 18940), (1325, 15152), (1894, 10600), (2120, 9470), (2650, 7576), (3788, 5300), (4240, 4735)]