51604040

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{3079}}^1$

素因数の和:3509

約数の個数: 32

約数和(自身を含む): 116424000

約数和(自身を除く): 64819960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 2095, 3079, 3352, 4190, 6158, 8380, 12316, 15395, 16760, 24632, 30790, 61580, 123160, 1290101, 2580202, 5160404, 6450505, 10320808, 12901010, 25802020, 51604040]

約数ペア:

[(1, 51604040), (2, 25802020), (4, 12901010), (5, 10320808), (8, 6450505), (10, 5160404), (20, 2580202), (40, 1290101), (419, 123160), (838, 61580), (1676, 30790), (2095, 24632), (3079, 16760), (3352, 15395), (4190, 12316), (6158, 8380)]