2000450075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{797}}^1\times {\mathrm{7723}}^1$

素因数の和:8543

約数の個数: 24

約数和(自身を含む): 2675068368

約数和(自身を除く): 674618293

約数列:

[1, 5, 13, 25, 65, 325, 797, 3985, 7723, 10361, 19925, 38615, 51805, 100399, 193075, 259025, 501995, 2509975, 6155231, 30776155, 80018003, 153880775, 400090015, 2000450075]

約数ペア:

[(1, 2000450075), (5, 400090015), (13, 153880775), (25, 80018003), (65, 30776155), (325, 6155231), (797, 2509975), (3985, 501995), (7723, 259025), (10361, 193075), (19925, 100399), (38615, 51805)]