20876010625

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{1964801}}^1$

素因数の和:1964838

約数の個数: 20

約数和(自身を含む): 27621186516

約数和(自身を除く): 6745175891

約数列:

[1, 5, 17, 25, 85, 125, 425, 625, 2125, 10625, 1964801, 9824005, 33401617, 49120025, 167008085, 245600125, 835040425, 1228000625, 4175202125, 20876010625]

約数ペア:

[(1, 20876010625), (5, 4175202125), (17, 1228000625), (25, 835040425), (85, 245600125), (125, 167008085), (425, 49120025), (625, 33401617), (2125, 9824005), (10625, 1964801)]