22628680

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{1999}}^1$

素因数の和:2293

約数の個数: 32

約数和(自身を含む): 51120000

約数和(自身を除く): 28491320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 1999, 2264, 2830, 3998, 5660, 7996, 9995, 11320, 15992, 19990, 39980, 79960, 565717, 1131434, 2262868, 2828585, 4525736, 5657170, 11314340, 22628680]

約数ペア:

[(1, 22628680), (2, 11314340), (4, 5657170), (5, 4525736), (8, 2828585), (10, 2262868), (20, 1131434), (40, 565717), (283, 79960), (566, 39980), (1132, 19990), (1415, 15992), (1999, 11320), (2264, 9995), (2830, 7996), (3998, 5660)]