266103680

素因数分解:

$2^7\times 5^1\times {\mathrm{415787}}^1$

素因数の和:415806

約数の個数: 32

約数和(自身を含む): 636155640

約数和(自身を除く): 370051960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 415787, 831574, 1663148, 2078935, 3326296, 4157870, 6652592, 8315740, 13305184, 16631480, 26610368, 33262960, 53220736, 66525920, 133051840, 266103680]

約数ペア:

[(1, 266103680), (2, 133051840), (4, 66525920), (5, 53220736), (8, 33262960), (10, 26610368), (16, 16631480), (20, 13305184), (32, 8315740), (40, 6652592), (64, 4157870), (80, 3326296), (128, 2078935), (160, 1663148), (320, 831574), (640, 415787)]