140582480

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{40867}}^1$

素因数の和:40923

約数の個数: 40

約数和(自身を含む): 334463712

約数和(自身を除く): 193881232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 40867, 81734, 163468, 204335, 326936, 408670, 653872, 817340, 1634680, 1757281, 3269360, 3514562, 7029124, 8786405, 14058248, 17572810, 28116496, 35145620, 70291240, 140582480]

約数ペア:

[(1, 140582480), (2, 70291240), (4, 35145620), (5, 28116496), (8, 17572810), (10, 14058248), (16, 8786405), (20, 7029124), (40, 3514562), (43, 3269360), (80, 1757281), (86, 1634680), (172, 817340), (215, 653872), (344, 408670), (430, 326936), (688, 204335), (860, 163468), (1720, 81734), (3440, 40867)]