39840490

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:199

約数の個数: 64

約数和(自身を含む): 78796800

約数和(自身を除く): 38956310

約数列:

[1, 2, 5, 10, 29, 37, 47, 58, 74, 79, 94, 145, 158, 185, 235, 290, 370, 395, 470, 790, 1073, 1363, 1739, 2146, 2291, 2726, 2923, 3478, 3713, 4582, 5365, 5846, 6815, 7426, 8695, 10730, 11455, 13630, 14615, 17390, 18565, 22910, 29230, 37130, 50431, 84767, 100862, 107677, 137381, 169534, 215354, 252155, 274762, 423835, 504310, 538385, 686905, 847670, 1076770, 1373810, 3984049, 7968098, 19920245, 39840490]

約数ペア:

[(1, 39840490), (2, 19920245), (5, 7968098), (10, 3984049), (29, 1373810), (37, 1076770), (47, 847670), (58, 686905), (74, 538385), (79, 504310), (94, 423835), (145, 274762), (158, 252155), (185, 215354), (235, 169534), (290, 137381), (370, 107677), (395, 100862), (470, 84767), (790, 50431), (1073, 37130), (1363, 29230), (1739, 22910), (2146, 18565), (2291, 17390), (2726, 14615), (2923, 13630), (3478, 11455), (3713, 10730), (4582, 8695), (5365, 7426), (5846, 6815)]