16278380

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{3167}}^1$

素因数の和:3433

約数の個数: 24

約数和(自身を含む): 34328448

約数和(自身を除く): 18050068

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 3167, 5140, 6334, 12668, 15835, 31670, 63340, 813919, 1627838, 3255676, 4069595, 8139190, 16278380]

約数ペア:

[(1, 16278380), (2, 8139190), (4, 4069595), (5, 3255676), (10, 1627838), (20, 813919), (257, 63340), (514, 31670), (1028, 15835), (1285, 12668), (2570, 6334), (3167, 5140)]