80374760

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{49009}}^1$

素因数の和:49061

約数の個数: 32

約数和(自身を含む): 185257800

約数和(自身を除く): 104883040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 49009, 98018, 196036, 245045, 392072, 490090, 980180, 1960360, 2009369, 4018738, 8037476, 10046845, 16074952, 20093690, 40187380, 80374760]

約数ペア:

[(1, 80374760), (2, 40187380), (4, 20093690), (5, 16074952), (8, 10046845), (10, 8037476), (20, 4018738), (40, 2009369), (41, 1960360), (82, 980180), (164, 490090), (205, 392072), (328, 245045), (410, 196036), (820, 98018), (1640, 49009)]