11821720

素因数分解:

$2^3\times 5^1\times {\mathrm{479}}^1\times {\mathrm{617}}^1$

素因数の和:1107

約数の個数: 32

約数和(自身を含む): 26697600

約数和(自身を除く): 14875880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479, 617, 958, 1234, 1916, 2395, 2468, 3085, 3832, 4790, 4936, 6170, 9580, 12340, 19160, 24680, 295543, 591086, 1182172, 1477715, 2364344, 2955430, 5910860, 11821720]

約数ペア:

[(1, 11821720), (2, 5910860), (4, 2955430), (5, 2364344), (8, 1477715), (10, 1182172), (20, 591086), (40, 295543), (479, 24680), (617, 19160), (958, 12340), (1234, 9580), (1916, 6170), (2395, 4936), (2468, 4790), (3085, 3832)]