8239840

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{1051}}^1$

素因数の和:1080

約数の個数: 72

約数和(自身を含む): 22666392

約数和(自身を除く): 14426552

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, 1051, 1120, 1568, 1960, 2102, 3920, 4204, 5255, 7357, 7840, 8408, 10510, 14714, 16816, 21020, 29428, 33632, 36785, 42040, 51499, 58856, 73570, 84080, 102998, 117712, 147140, 168160, 205996, 235424, 257495, 294280, 411992, 514990, 588560, 823984, 1029980, 1177120, 1647968, 2059960, 4119920, 8239840]

約数ペア:

[(1, 8239840), (2, 4119920), (4, 2059960), (5, 1647968), (7, 1177120), (8, 1029980), (10, 823984), (14, 588560), (16, 514990), (20, 411992), (28, 294280), (32, 257495), (35, 235424), (40, 205996), (49, 168160), (56, 147140), (70, 117712), (80, 102998), (98, 84080), (112, 73570), (140, 58856), (160, 51499), (196, 42040), (224, 36785), (245, 33632), (280, 29428), (392, 21020), (490, 16816), (560, 14714), (784, 10510), (980, 8408), (1051, 7840), (1120, 7357), (1568, 5255), (1960, 4204), (2102, 3920)]