2016032450

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{449}}^1\times {\mathrm{1009}}^1$

素因数の和:1559

約数の個数: 48

約数和(自身を含む): 3804165000

約数和(自身を除く): 1788132550

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 445, 449, 890, 898, 1009, 2018, 2225, 2245, 4450, 4490, 5045, 10090, 11225, 22450, 25225, 39961, 50450, 79922, 89801, 179602, 199805, 399610, 449005, 453041, 898010, 906082, 999025, 1998050, 2245025, 2265205, 4490050, 4530410, 11326025, 22652050, 40320649, 80641298, 201603245, 403206490, 1008016225, 2016032450]

約数ペア:

[(1, 2016032450), (2, 1008016225), (5, 403206490), (10, 201603245), (25, 80641298), (50, 40320649), (89, 22652050), (178, 11326025), (445, 4530410), (449, 4490050), (890, 2265205), (898, 2245025), (1009, 1998050), (2018, 999025), (2225, 906082), (2245, 898010), (4450, 453041), (4490, 449005), (5045, 399610), (10090, 199805), (11225, 179602), (22450, 89801), (25225, 79922), (39961, 50450)]