16331440

素因数分解:

$2^4\times 5^1\times {\mathrm{204143}}^1$

素因数の和:204156

約数の個数: 20

約数和(自身を含む): 37970784

約数和(自身を除く): 21639344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 204143, 408286, 816572, 1020715, 1633144, 2041430, 3266288, 4082860, 8165720, 16331440]

約数ペア:

[(1, 16331440), (2, 8165720), (4, 4082860), (5, 3266288), (8, 2041430), (10, 1633144), (16, 1020715), (20, 816572), (40, 408286), (80, 204143)]