200418760

素因数分解:

$2^3\times 5^1\times {\mathrm{653}}^1\times {\mathrm{7673}}^1$

素因数の和:8337

約数の個数: 32

約数和(自身を含む): 451691640

約数和(自身を除く): 251272880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 653, 1306, 2612, 3265, 5224, 6530, 7673, 13060, 15346, 26120, 30692, 38365, 61384, 76730, 153460, 306920, 5010469, 10020938, 20041876, 25052345, 40083752, 50104690, 100209380, 200418760]

約数ペア:

[(1, 200418760), (2, 100209380), (4, 50104690), (5, 40083752), (8, 25052345), (10, 20041876), (20, 10020938), (40, 5010469), (653, 306920), (1306, 153460), (2612, 76730), (3265, 61384), (5224, 38365), (6530, 30692), (7673, 26120), (13060, 15346)]