2000661625

素因数分解:

$5^3\times {\mathrm{41}}^1\times {\mathrm{390373}}^1$

素因数の和:390429

約数の個数: 16

約数和(自身を含む): 2557730448

約数和(自身を除く): 557068823

約数列:

[1, 5, 25, 41, 125, 205, 1025, 5125, 390373, 1951865, 9759325, 16005293, 48796625, 80026465, 400132325, 2000661625]

約数ペア:

[(1, 2000661625), (5, 400132325), (25, 80026465), (41, 48796625), (125, 16005293), (205, 9759325), (1025, 1951865), (5125, 390373)]