79191880

素因数分解:

$2^3\times 5^1\times {\mathrm{643}}^1\times {\mathrm{3079}}^1$

素因数の和:3733

約数の個数: 32

約数和(自身を含む): 178516800

約数和(自身を除く): 99324920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 643, 1286, 2572, 3079, 3215, 5144, 6158, 6430, 12316, 12860, 15395, 24632, 25720, 30790, 61580, 123160, 1979797, 3959594, 7919188, 9898985, 15838376, 19797970, 39595940, 79191880]

約数ペア:

[(1, 79191880), (2, 39595940), (4, 19797970), (5, 15838376), (8, 9898985), (10, 7919188), (20, 3959594), (40, 1979797), (643, 123160), (1286, 61580), (2572, 30790), (3079, 25720), (3215, 24632), (5144, 15395), (6158, 12860), (6430, 12316)]