25814480

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1447}}^1$

素因数の和:1683

約数の個数: 40

約数和(自身を含む): 60329472

約数和(自身を除く): 34514992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223, 446, 892, 1115, 1447, 1784, 2230, 2894, 3568, 4460, 5788, 7235, 8920, 11576, 14470, 17840, 23152, 28940, 57880, 115760, 322681, 645362, 1290724, 1613405, 2581448, 3226810, 5162896, 6453620, 12907240, 25814480]

約数ペア:

[(1, 25814480), (2, 12907240), (4, 6453620), (5, 5162896), (8, 3226810), (10, 2581448), (16, 1613405), (20, 1290724), (40, 645362), (80, 322681), (223, 115760), (446, 57880), (892, 28940), (1115, 23152), (1447, 17840), (1784, 14470), (2230, 11576), (2894, 8920), (3568, 7235), (4460, 5788)]