12585140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 27941760

約数和(自身を除く): 15356620

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 109, 115, 218, 230, 251, 436, 460, 502, 545, 1004, 1090, 1255, 2180, 2507, 2510, 5014, 5020, 5773, 10028, 11546, 12535, 23092, 25070, 27359, 28865, 50140, 54718, 57730, 109436, 115460, 136795, 273590, 547180, 629257, 1258514, 2517028, 3146285, 6292570, 12585140]

約数ペア:

[(1, 12585140), (2, 6292570), (4, 3146285), (5, 2517028), (10, 1258514), (20, 629257), (23, 547180), (46, 273590), (92, 136795), (109, 115460), (115, 109436), (218, 57730), (230, 54718), (251, 50140), (436, 28865), (460, 27359), (502, 25070), (545, 23092), (1004, 12535), (1090, 11546), (1255, 10028), (2180, 5773), (2507, 5020), (2510, 5014)]