87628360

素因数分解:

$2^3\times 5^1\times {\mathrm{1097}}^1\times {\mathrm{1997}}^1$

素因数の和:3105

約数の個数: 32

約数和(自身を含む): 197442360

約数和(自身を除く): 109814000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1097, 1997, 2194, 3994, 4388, 5485, 7988, 8776, 9985, 10970, 15976, 19970, 21940, 39940, 43880, 79880, 2190709, 4381418, 8762836, 10953545, 17525672, 21907090, 43814180, 87628360]

約数ペア:

[(1, 87628360), (2, 43814180), (4, 21907090), (5, 17525672), (8, 10953545), (10, 8762836), (20, 4381418), (40, 2190709), (1097, 79880), (1997, 43880), (2194, 39940), (3994, 21940), (4388, 19970), (5485, 15976), (7988, 10970), (8776, 9985)]