201388520

素因数分解:

$2^3\times 5^1\times {\mathrm{673}}^1\times {\mathrm{7481}}^1$

素因数の和:8165

約数の個数: 32

約数和(自身を含む): 453858120

約数和(自身を除く): 252469600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 673, 1346, 2692, 3365, 5384, 6730, 7481, 13460, 14962, 26920, 29924, 37405, 59848, 74810, 149620, 299240, 5034713, 10069426, 20138852, 25173565, 40277704, 50347130, 100694260, 201388520]

約数ペア:

[(1, 201388520), (2, 100694260), (4, 50347130), (5, 40277704), (8, 25173565), (10, 20138852), (20, 10069426), (40, 5034713), (673, 299240), (1346, 149620), (2692, 74810), (3365, 59848), (5384, 37405), (6730, 29924), (7481, 26920), (13460, 14962)]