25423400

素因数分解:

$2^3\times 5^2\times {\mathrm{317}}^1\times {\mathrm{401}}^1$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 59443740

約数和(自身を除く): 34020340

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 317, 401, 634, 802, 1268, 1585, 1604, 2005, 2536, 3170, 3208, 4010, 6340, 7925, 8020, 10025, 12680, 15850, 16040, 20050, 31700, 40100, 63400, 80200, 127117, 254234, 508468, 635585, 1016936, 1271170, 2542340, 3177925, 5084680, 6355850, 12711700, 25423400]

約数ペア:

[(1, 25423400), (2, 12711700), (4, 6355850), (5, 5084680), (8, 3177925), (10, 2542340), (20, 1271170), (25, 1016936), (40, 635585), (50, 508468), (100, 254234), (200, 127117), (317, 80200), (401, 63400), (634, 40100), (802, 31700), (1268, 20050), (1585, 16040), (1604, 15850), (2005, 12680), (2536, 10025), (3170, 8020), (3208, 7925), (4010, 6340)]