26691920

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3061}}^1$

素因数の和:3183

約数の個数: 40

約数和(自身を含む): 62648520

約数和(自身を除く): 35956600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 3061, 4360, 6122, 8720, 12244, 15305, 24488, 30610, 48976, 61220, 122440, 244880, 333649, 667298, 1334596, 1668245, 2669192, 3336490, 5338384, 6672980, 13345960, 26691920]

約数ペア:

[(1, 26691920), (2, 13345960), (4, 6672980), (5, 5338384), (8, 3336490), (10, 2669192), (16, 1668245), (20, 1334596), (40, 667298), (80, 333649), (109, 244880), (218, 122440), (436, 61220), (545, 48976), (872, 30610), (1090, 24488), (1744, 15305), (2180, 12244), (3061, 8720), (4360, 6122)]