68216320

素因数分解:

$2^9\times 5^1\times {\mathrm{26647}}^1$

素因数の和:26670

約数の個数: 40

約数和(自身を含む): 163565424

約数和(自身を除く): 95349104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 26647, 53294, 106588, 133235, 213176, 266470, 426352, 532940, 852704, 1065880, 1705408, 2131760, 3410816, 4263520, 6821632, 8527040, 13643264, 17054080, 34108160, 68216320]

約数ペア:

[(1, 68216320), (2, 34108160), (4, 17054080), (5, 13643264), (8, 8527040), (10, 6821632), (16, 4263520), (20, 3410816), (32, 2131760), (40, 1705408), (64, 1065880), (80, 852704), (128, 532940), (160, 426352), (256, 266470), (320, 213176), (512, 133235), (640, 106588), (1280, 53294), (2560, 26647)]