81396260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{369983}}^1$

素因数の和:370003

約数の個数: 24

約数和(自身を含む): 186471936

約数和(自身を除く): 105075676

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 369983, 739966, 1479932, 1849915, 3699830, 4069813, 7399660, 8139626, 16279252, 20349065, 40698130, 81396260]

約数ペア:

[(1, 81396260), (2, 40698130), (4, 20349065), (5, 16279252), (10, 8139626), (11, 7399660), (20, 4069813), (22, 3699830), (44, 1849915), (55, 1479932), (110, 739966), (220, 369983)]