78655540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{135613}}^1$

素因数の和:135651

約数の個数: 24

約数和(自身を含む): 170873640

約数和(自身を除く): 92218100

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 135613, 271226, 542452, 678065, 1356130, 2712260, 3932777, 7865554, 15731108, 19663885, 39327770, 78655540]

約数ペア:

[(1, 78655540), (2, 39327770), (4, 19663885), (5, 15731108), (10, 7865554), (20, 3932777), (29, 2712260), (58, 1356130), (116, 678065), (145, 542452), (290, 271226), (580, 135613)]