22028500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{3389}}^1$

素因数の和:3421

約数の個数: 48

約数和(自身を含む): 51826320

約数和(自身を除く): 29797820

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 3389, 6500, 6778, 13556, 16945, 33890, 44057, 67780, 84725, 88114, 169450, 176228, 220285, 338900, 423625, 440570, 847250, 881140, 1101425, 1694500, 2202850, 4405700, 5507125, 11014250, 22028500]

約数ペア:

[(1, 22028500), (2, 11014250), (4, 5507125), (5, 4405700), (10, 2202850), (13, 1694500), (20, 1101425), (25, 881140), (26, 847250), (50, 440570), (52, 423625), (65, 338900), (100, 220285), (125, 176228), (130, 169450), (250, 88114), (260, 84725), (325, 67780), (500, 44057), (650, 33890), (1300, 16945), (1625, 13556), (3250, 6778), (3389, 6500)]