128177360

素因数分解:

$2^4\times 5^1\times {\mathrm{359}}^1\times {\mathrm{4463}}^1$

素因数の和:4835

約数の個数: 40

約数和(自身を含む): 298909440

約数和(自身を除く): 170732080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 359, 718, 1436, 1795, 2872, 3590, 4463, 5744, 7180, 8926, 14360, 17852, 22315, 28720, 35704, 44630, 71408, 89260, 178520, 357040, 1602217, 3204434, 6408868, 8011085, 12817736, 16022170, 25635472, 32044340, 64088680, 128177360]

約数ペア:

[(1, 128177360), (2, 64088680), (4, 32044340), (5, 25635472), (8, 16022170), (10, 12817736), (16, 8011085), (20, 6408868), (40, 3204434), (80, 1602217), (359, 357040), (718, 178520), (1436, 89260), (1795, 71408), (2872, 44630), (3590, 35704), (4463, 28720), (5744, 22315), (7180, 17852), (8926, 14360)]