12854720

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^2\times {\mathrm{139}}^1$

素因数の和:190

約数の個数: 84

約数和(自身を含む): 32750760

約数和(自身を除く): 19896040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 139, 160, 170, 272, 278, 289, 320, 340, 544, 556, 578, 680, 695, 1088, 1112, 1156, 1360, 1390, 1445, 2224, 2312, 2363, 2720, 2780, 2890, 4448, 4624, 4726, 5440, 5560, 5780, 8896, 9248, 9452, 11120, 11560, 11815, 18496, 18904, 22240, 23120, 23630, 37808, 40171, 44480, 46240, 47260, 75616, 80342, 92480, 94520, 151232, 160684, 189040, 200855, 321368, 378080, 401710, 642736, 756160, 803420, 1285472, 1606840, 2570944, 3213680, 6427360, 12854720]

約数ペア:

[(1, 12854720), (2, 6427360), (4, 3213680), (5, 2570944), (8, 1606840), (10, 1285472), (16, 803420), (17, 756160), (20, 642736), (32, 401710), (34, 378080), (40, 321368), (64, 200855), (68, 189040), (80, 160684), (85, 151232), (136, 94520), (139, 92480), (160, 80342), (170, 75616), (272, 47260), (278, 46240), (289, 44480), (320, 40171), (340, 37808), (544, 23630), (556, 23120), (578, 22240), (680, 18904), (695, 18496), (1088, 11815), (1112, 11560), (1156, 11120), (1360, 9452), (1390, 9248), (1445, 8896), (2224, 5780), (2312, 5560), (2363, 5440), (2720, 4726), (2780, 4624), (2890, 4448)]