2020513480

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{463}}^1\times {\mathrm{1381}}^1$

素因数の和:1934

約数の個数: 64

約数和(自身を含む): 4616985600

約数和(自身を除く): 2596472120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 463, 632, 790, 926, 1381, 1580, 1852, 2315, 2762, 3160, 3704, 4630, 5524, 6905, 9260, 11048, 13810, 18520, 27620, 36577, 55240, 73154, 109099, 146308, 182885, 218198, 292616, 365770, 436396, 545495, 639403, 731540, 872792, 1090990, 1278806, 1463080, 2181980, 2557612, 3197015, 4363960, 5115224, 6394030, 12788060, 25576120, 50512837, 101025674, 202051348, 252564185, 404102696, 505128370, 1010256740, 2020513480]

約数ペア:

[(1, 2020513480), (2, 1010256740), (4, 505128370), (5, 404102696), (8, 252564185), (10, 202051348), (20, 101025674), (40, 50512837), (79, 25576120), (158, 12788060), (316, 6394030), (395, 5115224), (463, 4363960), (632, 3197015), (790, 2557612), (926, 2181980), (1381, 1463080), (1580, 1278806), (1852, 1090990), (2315, 872792), (2762, 731540), (3160, 639403), (3704, 545495), (4630, 436396), (5524, 365770), (6905, 292616), (9260, 218198), (11048, 182885), (13810, 146308), (18520, 109099), (27620, 73154), (36577, 55240)]