201220505

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1\times {\mathrm{1607}}^1$

素因数の和:2008

約数の個数: 16

約数和(自身を含む): 245445120

約数和(自身を除く): 44224615

約数列:

[1, 5, 79, 317, 395, 1585, 1607, 8035, 25043, 125215, 126953, 509419, 634765, 2547095, 40244101, 201220505]

約数ペア:

[(1, 201220505), (5, 40244101), (79, 2547095), (317, 634765), (395, 509419), (1585, 126953), (1607, 125215), (8035, 25043)]