40005400

素因数分解:

$2^3\times 5^2\times {\mathrm{317}}^1\times {\mathrm{631}}^1$

素因数の和:964

約数の個数: 48

約数和(自身を含む): 93453840

約数和(自身を除く): 53448440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 317, 631, 634, 1262, 1268, 1585, 2524, 2536, 3155, 3170, 5048, 6310, 6340, 7925, 12620, 12680, 15775, 15850, 25240, 31550, 31700, 63100, 63400, 126200, 200027, 400054, 800108, 1000135, 1600216, 2000270, 4000540, 5000675, 8001080, 10001350, 20002700, 40005400]

約数ペア:

[(1, 40005400), (2, 20002700), (4, 10001350), (5, 8001080), (8, 5000675), (10, 4000540), (20, 2000270), (25, 1600216), (40, 1000135), (50, 800108), (100, 400054), (200, 200027), (317, 126200), (631, 63400), (634, 63100), (1262, 31700), (1268, 31550), (1585, 25240), (2524, 15850), (2536, 15775), (3155, 12680), (3170, 12620), (5048, 7925), (6310, 6340)]