82794320

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{21121}}^1$

素因数の和:21148

約数の個数: 60

約数和(自身を含む): 223935444

約数和(自身を除く): 141141124

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 21121, 42242, 84484, 105605, 147847, 168968, 211210, 295694, 337936, 422420, 591388, 739235, 844840, 1034929, 1182776, 1478470, 1689680, 2069858, 2365552, 2956940, 4139716, 5174645, 5913880, 8279432, 10349290, 11827760, 16558864, 20698580, 41397160, 82794320]

約数ペア:

[(1, 82794320), (2, 41397160), (4, 20698580), (5, 16558864), (7, 11827760), (8, 10349290), (10, 8279432), (14, 5913880), (16, 5174645), (20, 4139716), (28, 2956940), (35, 2365552), (40, 2069858), (49, 1689680), (56, 1478470), (70, 1182776), (80, 1034929), (98, 844840), (112, 739235), (140, 591388), (196, 422420), (245, 337936), (280, 295694), (392, 211210), (490, 168968), (560, 147847), (784, 105605), (980, 84484), (1960, 42242), (3920, 21121)]