87831220

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{7691}}^1$

素因数の和:8271

約数の個数: 24

約数和(自身を含む): 184792608

約数和(自身を除く): 96961388

約数列:

[1, 2, 4, 5, 10, 20, 571, 1142, 2284, 2855, 5710, 7691, 11420, 15382, 30764, 38455, 76910, 153820, 4391561, 8783122, 17566244, 21957805, 43915610, 87831220]

約数ペア:

[(1, 87831220), (2, 43915610), (4, 21957805), (5, 17566244), (10, 8783122), (20, 4391561), (571, 153820), (1142, 76910), (2284, 38455), (2855, 30764), (5710, 15382), (7691, 11420)]