1621750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{499}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 3276000

約数和(自身を除く): 1654250

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 499, 650, 998, 1625, 2495, 3250, 4990, 6487, 12475, 12974, 24950, 32435, 62375, 64870, 124750, 162175, 324350, 810875, 1621750]

約数ペア:

[(1, 1621750), (2, 810875), (5, 324350), (10, 162175), (13, 124750), (25, 64870), (26, 62375), (50, 32435), (65, 24950), (125, 12974), (130, 12475), (250, 6487), (325, 4990), (499, 3250), (650, 2495), (998, 1625)]