87413080

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{10357}}^1$

素因数の和:10579

約数の個数: 32

約数和(自身を含む): 197630640

約数和(自身を除く): 110217560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 10357, 20714, 41428, 51785, 82856, 103570, 207140, 414280, 2185327, 4370654, 8741308, 10926635, 17482616, 21853270, 43706540, 87413080]

約数ペア:

[(1, 87413080), (2, 43706540), (4, 21853270), (5, 17482616), (8, 10926635), (10, 8741308), (20, 4370654), (40, 2185327), (211, 414280), (422, 207140), (844, 103570), (1055, 82856), (1688, 51785), (2110, 41428), (4220, 20714), (8440, 10357)]