25170280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 59875200

約数和(自身を除く): 34704920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 109, 115, 184, 218, 230, 251, 436, 460, 502, 545, 872, 920, 1004, 1090, 1255, 2008, 2180, 2507, 2510, 4360, 5014, 5020, 5773, 10028, 10040, 11546, 12535, 20056, 23092, 25070, 27359, 28865, 46184, 50140, 54718, 57730, 100280, 109436, 115460, 136795, 218872, 230920, 273590, 547180, 629257, 1094360, 1258514, 2517028, 3146285, 5034056, 6292570, 12585140, 25170280]

約数ペア:

[(1, 25170280), (2, 12585140), (4, 6292570), (5, 5034056), (8, 3146285), (10, 2517028), (20, 1258514), (23, 1094360), (40, 629257), (46, 547180), (92, 273590), (109, 230920), (115, 218872), (184, 136795), (218, 115460), (230, 109436), (251, 100280), (436, 57730), (460, 54718), (502, 50140), (545, 46184), (872, 28865), (920, 27359), (1004, 25070), (1090, 23092), (1255, 20056), (2008, 12535), (2180, 11546), (2507, 10040), (2510, 10028), (4360, 5773), (5014, 5020)]