80759840

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{10301}}^1$

素因数の和:10330

約数の個数: 72

約数和(自身を含む): 221966892

約数和(自身を除く): 141207052

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 10301, 20602, 41204, 51505, 72107, 82408, 103010, 144214, 164816, 206020, 288428, 329632, 360535, 412040, 504749, 576856, 721070, 824080, 1009498, 1153712, 1442140, 1648160, 2018996, 2307424, 2523745, 2884280, 4037992, 5047490, 5768560, 8075984, 10094980, 11537120, 16151968, 20189960, 40379920, 80759840]

約数ペア:

[(1, 80759840), (2, 40379920), (4, 20189960), (5, 16151968), (7, 11537120), (8, 10094980), (10, 8075984), (14, 5768560), (16, 5047490), (20, 4037992), (28, 2884280), (32, 2523745), (35, 2307424), (40, 2018996), (49, 1648160), (56, 1442140), (70, 1153712), (80, 1009498), (98, 824080), (112, 721070), (140, 576856), (160, 504749), (196, 412040), (224, 360535), (245, 329632), (280, 288428), (392, 206020), (490, 164816), (560, 144214), (784, 103010), (980, 82408), (1120, 72107), (1568, 51505), (1960, 41204), (3920, 20602), (7840, 10301)]