25501380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{661}}^1$

素因数の和:1316

約数の個数: 48

約数和(自身を含む): 71623104

約数和(自身を除く): 46121724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 643, 661, 1286, 1322, 1929, 1983, 2572, 2644, 3215, 3305, 3858, 3966, 6430, 6610, 7716, 7932, 9645, 9915, 12860, 13220, 19290, 19830, 38580, 39660, 425023, 850046, 1275069, 1700092, 2125115, 2550138, 4250230, 5100276, 6375345, 8500460, 12750690, 25501380]

約数ペア:

[(1, 25501380), (2, 12750690), (3, 8500460), (4, 6375345), (5, 5100276), (6, 4250230), (10, 2550138), (12, 2125115), (15, 1700092), (20, 1275069), (30, 850046), (60, 425023), (643, 39660), (661, 38580), (1286, 19830), (1322, 19290), (1929, 13220), (1983, 12860), (2572, 9915), (2644, 9645), (3215, 7932), (3305, 7716), (3858, 6610), (3966, 6430)]