13142960

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4007}}^1$

素因数の和:4061

約数の個数: 40

約数和(自身を含む): 31310496

約数和(自身を除く): 18167536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 4007, 8014, 16028, 20035, 32056, 40070, 64112, 80140, 160280, 164287, 320560, 328574, 657148, 821435, 1314296, 1642870, 2628592, 3285740, 6571480, 13142960]

約数ペア:

[(1, 13142960), (2, 6571480), (4, 3285740), (5, 2628592), (8, 1642870), (10, 1314296), (16, 821435), (20, 657148), (40, 328574), (41, 320560), (80, 164287), (82, 160280), (164, 80140), (205, 64112), (328, 40070), (410, 32056), (656, 20035), (820, 16028), (1640, 8014), (3280, 4007)]