8204105

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 13000320

約数和(自身を除く): 4796215

約数列:

[1, 5, 7, 13, 19, 35, 65, 73, 91, 95, 133, 169, 247, 365, 455, 511, 665, 845, 949, 1183, 1235, 1387, 1729, 2555, 3211, 4745, 5915, 6643, 6935, 8645, 9709, 12337, 16055, 18031, 22477, 33215, 48545, 61685, 86359, 90155, 112385, 126217, 234403, 431795, 631085, 1172015, 1640821, 8204105]

約数ペア:

[(1, 8204105), (5, 1640821), (7, 1172015), (13, 631085), (19, 431795), (35, 234403), (65, 126217), (73, 112385), (91, 90155), (95, 86359), (133, 61685), (169, 48545), (247, 33215), (365, 22477), (455, 18031), (511, 16055), (665, 12337), (845, 9709), (949, 8645), (1183, 6935), (1235, 6643), (1387, 5915), (1729, 4745), (2555, 3211)]