200031220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{322631}}^1$

素因数の和:322671

約数の個数: 24

約数和(自身を含む): 433617408

約数和(自身を除く): 233586188

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 322631, 645262, 1290524, 1613155, 3226310, 6452620, 10001561, 20003122, 40006244, 50007805, 100015610, 200031220]

約数ペア:

[(1, 200031220), (2, 100015610), (4, 50007805), (5, 40006244), (10, 20003122), (20, 10001561), (31, 6452620), (62, 3226310), (124, 1613155), (155, 1290524), (310, 645262), (620, 322631)]