8971880

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3677}}^1$

素因数の和:3749

約数の個数: 32

約数和(自身を含む): 20523240

約数和(自身を除く): 11551360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 3677, 7354, 14708, 18385, 29416, 36770, 73540, 147080, 224297, 448594, 897188, 1121485, 1794376, 2242970, 4485940, 8971880]

約数ペア:

[(1, 8971880), (2, 4485940), (4, 2242970), (5, 1794376), (8, 1121485), (10, 897188), (20, 448594), (40, 224297), (61, 147080), (122, 73540), (244, 36770), (305, 29416), (488, 18385), (610, 14708), (1220, 7354), (2440, 3677)]