68707840

素因数分解:

$2^9\times 5^1\times {\mathrm{26839}}^1$

素因数の和:26862

約数の個数: 40

約数和(自身を含む): 164743920

約数和(自身を除く): 96036080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 26839, 53678, 107356, 134195, 214712, 268390, 429424, 536780, 858848, 1073560, 1717696, 2147120, 3435392, 4294240, 6870784, 8588480, 13741568, 17176960, 34353920, 68707840]

約数ペア:

[(1, 68707840), (2, 34353920), (4, 17176960), (5, 13741568), (8, 8588480), (10, 6870784), (16, 4294240), (20, 3435392), (32, 2147120), (40, 1717696), (64, 1073560), (80, 858848), (128, 536780), (160, 429424), (256, 268390), (320, 214712), (512, 134195), (640, 107356), (1280, 53678), (2560, 26839)]