13440800

素因数分解:

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

素因数の和:390

約数の個数: 72

約数和(自身を含む): 33536916

約数和(自身を除く): 20096116

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 53, 80, 100, 106, 160, 200, 212, 265, 317, 400, 424, 530, 634, 800, 848, 1060, 1268, 1325, 1585, 1696, 2120, 2536, 2650, 3170, 4240, 5072, 5300, 6340, 7925, 8480, 10144, 10600, 12680, 15850, 16801, 21200, 25360, 31700, 33602, 42400, 50720, 63400, 67204, 84005, 126800, 134408, 168010, 253600, 268816, 336020, 420025, 537632, 672040, 840050, 1344080, 1680100, 2688160, 3360200, 6720400, 13440800]

約数ペア:

[(1, 13440800), (2, 6720400), (4, 3360200), (5, 2688160), (8, 1680100), (10, 1344080), (16, 840050), (20, 672040), (25, 537632), (32, 420025), (40, 336020), (50, 268816), (53, 253600), (80, 168010), (100, 134408), (106, 126800), (160, 84005), (200, 67204), (212, 63400), (265, 50720), (317, 42400), (400, 33602), (424, 31700), (530, 25360), (634, 21200), (800, 16801), (848, 15850), (1060, 12680), (1268, 10600), (1325, 10144), (1585, 8480), (1696, 7925), (2120, 6340), (2536, 5300), (2650, 5072), (3170, 4240)]