51514640

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{8821}}^1$

素因数の和:8907

約数の個数: 40

約数和(自身を含む): 121426008

約数和(自身を除く): 69911368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 8821, 17642, 35284, 44105, 70568, 88210, 141136, 176420, 352840, 643933, 705680, 1287866, 2575732, 3219665, 5151464, 6439330, 10302928, 12878660, 25757320, 51514640]

約数ペア:

[(1, 51514640), (2, 25757320), (4, 12878660), (5, 10302928), (8, 6439330), (10, 5151464), (16, 3219665), (20, 2575732), (40, 1287866), (73, 705680), (80, 643933), (146, 352840), (292, 176420), (365, 141136), (584, 88210), (730, 70568), (1168, 44105), (1460, 35284), (2920, 17642), (5840, 8821)]