206707960

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{19069}}^1$

素因数の和:19351

約数の個数: 32

約数和(自身を含む): 466833600

約数和(自身を除く): 260125640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420, 10840, 19069, 38138, 76276, 95345, 152552, 190690, 381380, 762760, 5167699, 10335398, 20670796, 25838495, 41341592, 51676990, 103353980, 206707960]

約数ペア:

[(1, 206707960), (2, 103353980), (4, 51676990), (5, 41341592), (8, 25838495), (10, 20670796), (20, 10335398), (40, 5167699), (271, 762760), (542, 381380), (1084, 190690), (1355, 152552), (2168, 95345), (2710, 76276), (5420, 38138), (10840, 19069)]