64346720

素因数分解:

$2^5\times 5^1\times {\mathrm{113}}^1\times {\mathrm{3559}}^1$

素因数の和:3687

約数の個数: 48

約数和(自身を含む): 153407520

約数和(自身を除く): 89060800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 113, 160, 226, 452, 565, 904, 1130, 1808, 2260, 3559, 3616, 4520, 7118, 9040, 14236, 17795, 18080, 28472, 35590, 56944, 71180, 113888, 142360, 284720, 402167, 569440, 804334, 1608668, 2010835, 3217336, 4021670, 6434672, 8043340, 12869344, 16086680, 32173360, 64346720]

約数ペア:

[(1, 64346720), (2, 32173360), (4, 16086680), (5, 12869344), (8, 8043340), (10, 6434672), (16, 4021670), (20, 3217336), (32, 2010835), (40, 1608668), (80, 804334), (113, 569440), (160, 402167), (226, 284720), (452, 142360), (565, 113888), (904, 71180), (1130, 56944), (1808, 35590), (2260, 28472), (3559, 18080), (3616, 17795), (4520, 14236), (7118, 9040)]