22156720

素因数分解:

$2^4\times 5^1\times {\mathrm{419}}^1\times {\mathrm{661}}^1$

素因数の和:1093

約数の個数: 40

約数和(自身を含む): 51715440

約数和(自身を除く): 29558720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 419, 661, 838, 1322, 1676, 2095, 2644, 3305, 3352, 4190, 5288, 6610, 6704, 8380, 10576, 13220, 16760, 26440, 33520, 52880, 276959, 553918, 1107836, 1384795, 2215672, 2769590, 4431344, 5539180, 11078360, 22156720]

約数ペア:

[(1, 22156720), (2, 11078360), (4, 5539180), (5, 4431344), (8, 2769590), (10, 2215672), (16, 1384795), (20, 1107836), (40, 553918), (80, 276959), (419, 52880), (661, 33520), (838, 26440), (1322, 16760), (1676, 13220), (2095, 10576), (2644, 8380), (3305, 6704), (3352, 6610), (4190, 5288)]