85223620

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{53939}}^1$

素因数の和:54027

約数の個数: 24

約数和(自身を含む): 181238400

約数和(自身を除く): 96014780

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 53939, 107878, 215756, 269695, 539390, 1078780, 4261181, 8522362, 17044724, 21305905, 42611810, 85223620]

約数ペア:

[(1, 85223620), (2, 42611810), (4, 21305905), (5, 17044724), (10, 8522362), (20, 4261181), (79, 1078780), (158, 539390), (316, 269695), (395, 215756), (790, 107878), (1580, 53939)]