23428280

素因数分解:

$2^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{1999}}^1$

素因数の和:2303

約数の個数: 32

約数和(自身を含む): 52920000

約数和(自身を除く): 29491720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 293, 586, 1172, 1465, 1999, 2344, 2930, 3998, 5860, 7996, 9995, 11720, 15992, 19990, 39980, 79960, 585707, 1171414, 2342828, 2928535, 4685656, 5857070, 11714140, 23428280]

約数ペア:

[(1, 23428280), (2, 11714140), (4, 5857070), (5, 4685656), (8, 2928535), (10, 2342828), (20, 1171414), (40, 585707), (293, 79960), (586, 39980), (1172, 19990), (1465, 15992), (1999, 11720), (2344, 9995), (2930, 7996), (3998, 5860)]