65981260

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{54083}}^1$

素因数の和:54153

約数の個数: 24

約数和(自身を含む): 140834736

約数和(自身を除く): 74853476

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 54083, 108166, 216332, 270415, 540830, 1081660, 3299063, 6598126, 13196252, 16495315, 32990630, 65981260]

約数ペア:

[(1, 65981260), (2, 32990630), (4, 16495315), (5, 13196252), (10, 6598126), (20, 3299063), (61, 1081660), (122, 540830), (244, 270415), (305, 216332), (610, 108166), (1220, 54083)]