8521240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2341}}^1$

素因数の和:2372

約数の個数: 64

約数和(自身を含む): 23607360

約数和(自身を除く): 15086120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 2341, 3640, 4682, 9364, 11705, 16387, 18728, 23410, 30433, 32774, 46820, 60866, 65548, 81935, 93640, 121732, 131096, 152165, 163870, 213031, 243464, 304330, 327740, 426062, 608660, 655480, 852124, 1065155, 1217320, 1704248, 2130310, 4260620, 8521240]

約数ペア:

[(1, 8521240), (2, 4260620), (4, 2130310), (5, 1704248), (7, 1217320), (8, 1065155), (10, 852124), (13, 655480), (14, 608660), (20, 426062), (26, 327740), (28, 304330), (35, 243464), (40, 213031), (52, 163870), (56, 152165), (65, 131096), (70, 121732), (91, 93640), (104, 81935), (130, 65548), (140, 60866), (182, 46820), (260, 32774), (280, 30433), (364, 23410), (455, 18728), (520, 16387), (728, 11705), (910, 9364), (1820, 4682), (2341, 3640)]