12498880

素因数分解:

$2^6\times 5^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:437

約数の個数: 56

約数和(自身を含む): 30083760

約数和(自身を除く): 17584880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 139, 160, 278, 281, 320, 556, 562, 695, 1112, 1124, 1390, 1405, 2224, 2248, 2780, 2810, 4448, 4496, 5560, 5620, 8896, 8992, 11120, 11240, 17984, 22240, 22480, 39059, 44480, 44960, 78118, 89920, 156236, 195295, 312472, 390590, 624944, 781180, 1249888, 1562360, 2499776, 3124720, 6249440, 12498880]

約数ペア:

[(1, 12498880), (2, 6249440), (4, 3124720), (5, 2499776), (8, 1562360), (10, 1249888), (16, 781180), (20, 624944), (32, 390590), (40, 312472), (64, 195295), (80, 156236), (139, 89920), (160, 78118), (278, 44960), (281, 44480), (320, 39059), (556, 22480), (562, 22240), (695, 17984), (1112, 11240), (1124, 11120), (1390, 8992), (1405, 8896), (2224, 5620), (2248, 5560), (2780, 4496), (2810, 4448)]