80268040

素因数分解:

$2^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{5783}}^1$

素因数の和:6141

約数の個数: 32

約数和(自身を含む): 181154880

約数和(自身を除く): 100886840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 347, 694, 1388, 1735, 2776, 3470, 5783, 6940, 11566, 13880, 23132, 28915, 46264, 57830, 115660, 231320, 2006701, 4013402, 8026804, 10033505, 16053608, 20067010, 40134020, 80268040]

約数ペア:

[(1, 80268040), (2, 40134020), (4, 20067010), (5, 16053608), (8, 10033505), (10, 8026804), (20, 4013402), (40, 2006701), (347, 231320), (694, 115660), (1388, 57830), (1735, 46264), (2776, 28915), (3470, 23132), (5783, 13880), (6940, 11566)]