71586880

素因数分解:

$2^6\times 5^1\times {\mathrm{349}}^1\times {\mathrm{641}}^1$

素因数の和:1007

約数の個数: 56

約数和(自身を含む): 171221400

約数和(自身を除く): 99634520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 349, 641, 698, 1282, 1396, 1745, 2564, 2792, 3205, 3490, 5128, 5584, 6410, 6980, 10256, 11168, 12820, 13960, 20512, 22336, 25640, 27920, 41024, 51280, 55840, 102560, 111680, 205120, 223709, 447418, 894836, 1118545, 1789672, 2237090, 3579344, 4474180, 7158688, 8948360, 14317376, 17896720, 35793440, 71586880]

約数ペア:

[(1, 71586880), (2, 35793440), (4, 17896720), (5, 14317376), (8, 8948360), (10, 7158688), (16, 4474180), (20, 3579344), (32, 2237090), (40, 1789672), (64, 1118545), (80, 894836), (160, 447418), (320, 223709), (349, 205120), (641, 111680), (698, 102560), (1282, 55840), (1396, 51280), (1745, 41024), (2564, 27920), (2792, 25640), (3205, 22336), (3490, 20512), (5128, 13960), (5584, 12820), (6410, 11168), (6980, 10256)]