64112560

素因数分解:

$2^4\times 5^1\times {\mathrm{801407}}^1$

素因数の和:801420

約数の個数: 20

約数和(自身を含む): 149061888

約数和(自身を除く): 84949328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 801407, 1602814, 3205628, 4007035, 6411256, 8014070, 12822512, 16028140, 32056280, 64112560]

約数ペア:

[(1, 64112560), (2, 32056280), (4, 16028140), (5, 12822512), (8, 8014070), (10, 6411256), (16, 4007035), (20, 3205628), (40, 1602814), (80, 801407)]