396077860

素因数分解:

$2^2\times 5^1\times {\mathrm{1297}}^1\times {\mathrm{15269}}^1$

素因数の和:16575

約数の個数: 24

約数和(自身を含む): 832459320

約数和(自身を除く): 436381460

約数列:

[1, 2, 4, 5, 10, 20, 1297, 2594, 5188, 6485, 12970, 15269, 25940, 30538, 61076, 76345, 152690, 305380, 19803893, 39607786, 79215572, 99019465, 198038930, 396077860]

約数ペア:

[(1, 396077860), (2, 198038930), (4, 99019465), (5, 79215572), (10, 39607786), (20, 19803893), (1297, 305380), (2594, 152690), (5188, 76345), (6485, 61076), (12970, 30538), (15269, 25940)]