140172440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{673}}^1$

素因数の和:852

約数の個数: 64

約数和(自身を含む): 326108160

約数和(自身を除く): 185935720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 127, 164, 205, 254, 328, 410, 508, 635, 673, 820, 1016, 1270, 1346, 1640, 2540, 2692, 3365, 5080, 5207, 5384, 6730, 10414, 13460, 20828, 26035, 26920, 27593, 41656, 52070, 55186, 85471, 104140, 110372, 137965, 170942, 208280, 220744, 275930, 341884, 427355, 551860, 683768, 854710, 1103720, 1709420, 3418840, 3504311, 7008622, 14017244, 17521555, 28034488, 35043110, 70086220, 140172440]

約数ペア:

[(1, 140172440), (2, 70086220), (4, 35043110), (5, 28034488), (8, 17521555), (10, 14017244), (20, 7008622), (40, 3504311), (41, 3418840), (82, 1709420), (127, 1103720), (164, 854710), (205, 683768), (254, 551860), (328, 427355), (410, 341884), (508, 275930), (635, 220744), (673, 208280), (820, 170942), (1016, 137965), (1270, 110372), (1346, 104140), (1640, 85471), (2540, 55186), (2692, 52070), (3365, 41656), (5080, 27593), (5207, 26920), (5384, 26035), (6730, 20828), (10414, 13460)]