1395712420

素因数分解:

$2^2\times 5^1\times {\mathrm{1667}}^1\times {\mathrm{41863}}^1$

素因数の和:43539

約数の個数: 24

約数和(自身を含む): 2932824384

約数和(自身を除く): 1537111964

約数列:

[1, 2, 4, 5, 10, 20, 1667, 3334, 6668, 8335, 16670, 33340, 41863, 83726, 167452, 209315, 418630, 837260, 69785621, 139571242, 279142484, 348928105, 697856210, 1395712420]

約数ペア:

[(1, 1395712420), (2, 697856210), (4, 348928105), (5, 279142484), (10, 139571242), (20, 69785621), (1667, 837260), (3334, 418630), (6668, 209315), (8335, 167452), (16670, 83726), (33340, 41863)]