80039320

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{32803}}^1$

素因数の和:32875

約数の個数: 32

約数和(自身を含む): 183046320

約数和(自身を除く): 103007000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 32803, 65606, 131212, 164015, 262424, 328030, 656060, 1312120, 2000983, 4001966, 8003932, 10004915, 16007864, 20009830, 40019660, 80039320]

約数ペア:

[(1, 80039320), (2, 40019660), (4, 20009830), (5, 16007864), (8, 10004915), (10, 8003932), (20, 4001966), (40, 2000983), (61, 1312120), (122, 656060), (244, 328030), (305, 262424), (488, 164015), (610, 131212), (1220, 65606), (2440, 32803)]