79908080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4603}}^1$

素因数の和:4654

約数の個数: 80

約数和(自身を含む): 219224064

約数和(自身を除く): 139315984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 4603, 8680, 9206, 17360, 18412, 23015, 32221, 36824, 46030, 64442, 73648, 92060, 128884, 142693, 161105, 184120, 257768, 285386, 322210, 368240, 515536, 570772, 644420, 713465, 998851, 1141544, 1288840, 1426930, 1997702, 2283088, 2577680, 2853860, 3995404, 4994255, 5707720, 7990808, 9988510, 11415440, 15981616, 19977020, 39954040, 79908080]

約数ペア:

[(1, 79908080), (2, 39954040), (4, 19977020), (5, 15981616), (7, 11415440), (8, 9988510), (10, 7990808), (14, 5707720), (16, 4994255), (20, 3995404), (28, 2853860), (31, 2577680), (35, 2283088), (40, 1997702), (56, 1426930), (62, 1288840), (70, 1141544), (80, 998851), (112, 713465), (124, 644420), (140, 570772), (155, 515536), (217, 368240), (248, 322210), (280, 285386), (310, 257768), (434, 184120), (496, 161105), (560, 142693), (620, 128884), (868, 92060), (1085, 73648), (1240, 64442), (1736, 46030), (2170, 36824), (2480, 32221), (3472, 23015), (4340, 18412), (4603, 17360), (8680, 9206)]