109887440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{673}}^1$

素因数の和:856

約数の個数: 80

約数和(自身を含む): 277305168

約数和(自身を除く): 167417728

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 157, 208, 260, 314, 520, 628, 673, 785, 1040, 1256, 1346, 1570, 2041, 2512, 2692, 3140, 3365, 4082, 5384, 6280, 6730, 8164, 8749, 10205, 10768, 12560, 13460, 16328, 17498, 20410, 26920, 32656, 34996, 40820, 43745, 53840, 69992, 81640, 87490, 105661, 139984, 163280, 174980, 211322, 349960, 422644, 528305, 699920, 845288, 1056610, 1373593, 1690576, 2113220, 2747186, 4226440, 5494372, 6867965, 8452880, 10988744, 13735930, 21977488, 27471860, 54943720, 109887440]

約数ペア:

[(1, 109887440), (2, 54943720), (4, 27471860), (5, 21977488), (8, 13735930), (10, 10988744), (13, 8452880), (16, 6867965), (20, 5494372), (26, 4226440), (40, 2747186), (52, 2113220), (65, 1690576), (80, 1373593), (104, 1056610), (130, 845288), (157, 699920), (208, 528305), (260, 422644), (314, 349960), (520, 211322), (628, 174980), (673, 163280), (785, 139984), (1040, 105661), (1256, 87490), (1346, 81640), (1570, 69992), (2041, 53840), (2512, 43745), (2692, 40820), (3140, 34996), (3365, 32656), (4082, 26920), (5384, 20410), (6280, 17498), (6730, 16328), (8164, 13460), (8749, 12560), (10205, 10768)]