39809680

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{6299}}^1$

素因数の和:6391

約数の個数: 40

約数和(自身を含む): 93744000

約数和(自身を除く): 53934320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6299, 6320, 12598, 25196, 31495, 50392, 62990, 100784, 125980, 251960, 497621, 503920, 995242, 1990484, 2488105, 3980968, 4976210, 7961936, 9952420, 19904840, 39809680]

約数ペア:

[(1, 39809680), (2, 19904840), (4, 9952420), (5, 7961936), (8, 4976210), (10, 3980968), (16, 2488105), (20, 1990484), (40, 995242), (79, 503920), (80, 497621), (158, 251960), (316, 125980), (395, 100784), (632, 62990), (790, 50392), (1264, 31495), (1580, 25196), (3160, 12598), (6299, 6320)]