11554720

素因数分解:

$2^5\times 5^1\times {\mathrm{257}}^1\times {\mathrm{281}}^1$

素因数の和:553

約数の個数: 48

約数和(自身を含む): 27501768

約数和(自身を除く): 15947048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 257, 281, 514, 562, 1028, 1124, 1285, 1405, 2056, 2248, 2570, 2810, 4112, 4496, 5140, 5620, 8224, 8992, 10280, 11240, 20560, 22480, 41120, 44960, 72217, 144434, 288868, 361085, 577736, 722170, 1155472, 1444340, 2310944, 2888680, 5777360, 11554720]

約数ペア:

[(1, 11554720), (2, 5777360), (4, 2888680), (5, 2310944), (8, 1444340), (10, 1155472), (16, 722170), (20, 577736), (32, 361085), (40, 288868), (80, 144434), (160, 72217), (257, 44960), (281, 41120), (514, 22480), (562, 20560), (1028, 11240), (1124, 10280), (1285, 8992), (1405, 8224), (2056, 5620), (2248, 5140), (2570, 4496), (2810, 4112)]