2560820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 5927040

約数和(自身を除く): 3366220

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 293, 380, 437, 460, 586, 874, 1172, 1465, 1748, 2185, 2930, 4370, 5567, 5860, 6739, 8740, 11134, 13478, 22268, 26956, 27835, 33695, 55670, 67390, 111340, 128041, 134780, 256082, 512164, 640205, 1280410, 2560820]

約数ペア:

[(1, 2560820), (2, 1280410), (4, 640205), (5, 512164), (10, 256082), (19, 134780), (20, 128041), (23, 111340), (38, 67390), (46, 55670), (76, 33695), (92, 27835), (95, 26956), (115, 22268), (190, 13478), (230, 11134), (293, 8740), (380, 6739), (437, 5860), (460, 5567), (586, 4370), (874, 2930), (1172, 2185), (1465, 1748)]