16885240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9817}}^1$

素因数の和:9871

約数の個数: 32

約数和(自身を含む): 38879280

約数和(自身を除く): 21994040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 9817, 19634, 39268, 49085, 78536, 98170, 196340, 392680, 422131, 844262, 1688524, 2110655, 3377048, 4221310, 8442620, 16885240]

約数ペア:

[(1, 16885240), (2, 8442620), (4, 4221310), (5, 3377048), (8, 2110655), (10, 1688524), (20, 844262), (40, 422131), (43, 392680), (86, 196340), (172, 98170), (215, 78536), (344, 49085), (430, 39268), (860, 19634), (1720, 9817)]