64816480

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9421}}^1$

素因数の和:9479

約数の個数: 48

約数和(自身を含む): 156706704

約数和(自身を除く): 91890224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 9421, 18842, 37684, 47105, 75368, 94210, 150736, 188420, 301472, 376840, 405103, 753680, 810206, 1507360, 1620412, 2025515, 3240824, 4051030, 6481648, 8102060, 12963296, 16204120, 32408240, 64816480]

約数ペア:

[(1, 64816480), (2, 32408240), (4, 16204120), (5, 12963296), (8, 8102060), (10, 6481648), (16, 4051030), (20, 3240824), (32, 2025515), (40, 1620412), (43, 1507360), (80, 810206), (86, 753680), (160, 405103), (172, 376840), (215, 301472), (344, 188420), (430, 150736), (688, 94210), (860, 75368), (1376, 47105), (1720, 37684), (3440, 18842), (6880, 9421)]