6720400

素因数分解:

$2^4\times 5^2\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:388

約数の個数: 60

約数和(自身を含む): 16502292

約数和(自身を除く): 9781892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 53, 80, 100, 106, 200, 212, 265, 317, 400, 424, 530, 634, 848, 1060, 1268, 1325, 1585, 2120, 2536, 2650, 3170, 4240, 5072, 5300, 6340, 7925, 10600, 12680, 15850, 16801, 21200, 25360, 31700, 33602, 63400, 67204, 84005, 126800, 134408, 168010, 268816, 336020, 420025, 672040, 840050, 1344080, 1680100, 3360200, 6720400]

約数ペア:

[(1, 6720400), (2, 3360200), (4, 1680100), (5, 1344080), (8, 840050), (10, 672040), (16, 420025), (20, 336020), (25, 268816), (40, 168010), (50, 134408), (53, 126800), (80, 84005), (100, 67204), (106, 63400), (200, 33602), (212, 31700), (265, 25360), (317, 21200), (400, 16801), (424, 15850), (530, 12680), (634, 10600), (848, 7925), (1060, 6340), (1268, 5300), (1325, 5072), (1585, 4240), (2120, 3170), (2536, 2650)]