39507640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{211}}^1$

素因数の和:404

約数の個数: 64

約数和(自身を含む): 92805120

約数和(自身を除く): 53297480

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 151, 155, 211, 248, 302, 310, 422, 604, 620, 755, 844, 1055, 1208, 1240, 1510, 1688, 2110, 3020, 4220, 4681, 6040, 6541, 8440, 9362, 13082, 18724, 23405, 26164, 31861, 32705, 37448, 46810, 52328, 63722, 65410, 93620, 127444, 130820, 159305, 187240, 254888, 261640, 318610, 637220, 987691, 1274440, 1975382, 3950764, 4938455, 7901528, 9876910, 19753820, 39507640]

約数ペア:

[(1, 39507640), (2, 19753820), (4, 9876910), (5, 7901528), (8, 4938455), (10, 3950764), (20, 1975382), (31, 1274440), (40, 987691), (62, 637220), (124, 318610), (151, 261640), (155, 254888), (211, 187240), (248, 159305), (302, 130820), (310, 127444), (422, 93620), (604, 65410), (620, 63722), (755, 52328), (844, 46810), (1055, 37448), (1208, 32705), (1240, 31861), (1510, 26164), (1688, 23405), (2110, 18724), (3020, 13082), (4220, 9362), (4681, 8440), (6040, 6541)]