27578480

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8017}}^1$

素因数の和:8073

約数の個数: 40

約数和(自身を含む): 65619312

約数和(自身を除く): 38040832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 8017, 16034, 32068, 40085, 64136, 80170, 128272, 160340, 320680, 344731, 641360, 689462, 1378924, 1723655, 2757848, 3447310, 5515696, 6894620, 13789240, 27578480]

約数ペア:

[(1, 27578480), (2, 13789240), (4, 6894620), (5, 5515696), (8, 3447310), (10, 2757848), (16, 1723655), (20, 1378924), (40, 689462), (43, 641360), (80, 344731), (86, 320680), (172, 160340), (215, 128272), (344, 80170), (430, 64136), (688, 40085), (860, 32068), (1720, 16034), (3440, 8017)]