83879440

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:400

約数の個数: 80

約数和(自身を含む): 202487040

約数和(自身を除く): 118607600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 107, 164, 205, 214, 239, 328, 410, 428, 478, 535, 656, 820, 856, 956, 1070, 1195, 1640, 1712, 1912, 2140, 2390, 3280, 3824, 4280, 4387, 4780, 8560, 8774, 9560, 9799, 17548, 19120, 19598, 21935, 25573, 35096, 39196, 43870, 48995, 51146, 70192, 78392, 87740, 97990, 102292, 127865, 156784, 175480, 195980, 204584, 255730, 350960, 391960, 409168, 511460, 783920, 1022920, 1048493, 2045840, 2096986, 4193972, 5242465, 8387944, 10484930, 16775888, 20969860, 41939720, 83879440]

約数ペア:

[(1, 83879440), (2, 41939720), (4, 20969860), (5, 16775888), (8, 10484930), (10, 8387944), (16, 5242465), (20, 4193972), (40, 2096986), (41, 2045840), (80, 1048493), (82, 1022920), (107, 783920), (164, 511460), (205, 409168), (214, 391960), (239, 350960), (328, 255730), (410, 204584), (428, 195980), (478, 175480), (535, 156784), (656, 127865), (820, 102292), (856, 97990), (956, 87740), (1070, 78392), (1195, 70192), (1640, 51146), (1712, 48995), (1912, 43870), (2140, 39196), (2390, 35096), (3280, 25573), (3824, 21935), (4280, 19598), (4387, 19120), (4780, 17548), (8560, 9799), (8774, 9560)]