386121520

素因数分解:

$2^4\times 5^1\times {\mathrm{631}}^1\times {\mathrm{7649}}^1$

素因数の和:8293

約数の個数: 40

約数和(自身を含む): 899272800

約数和(自身を除く): 513151280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 631, 1262, 2524, 3155, 5048, 6310, 7649, 10096, 12620, 15298, 25240, 30596, 38245, 50480, 61192, 76490, 122384, 152980, 305960, 611920, 4826519, 9653038, 19306076, 24132595, 38612152, 48265190, 77224304, 96530380, 193060760, 386121520]

約数ペア:

[(1, 386121520), (2, 193060760), (4, 96530380), (5, 77224304), (8, 48265190), (10, 38612152), (16, 24132595), (20, 19306076), (40, 9653038), (80, 4826519), (631, 611920), (1262, 305960), (2524, 152980), (3155, 122384), (5048, 76490), (6310, 61192), (7649, 50480), (10096, 38245), (12620, 30596), (15298, 25240)]