64545920

素因数分解:

$2^7\times 5^1\times {\mathrm{100853}}^1$

素因数の和:100872

約数の個数: 32

約数和(自身を含む): 154306620

約数和(自身を除く): 89760700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 100853, 201706, 403412, 504265, 806824, 1008530, 1613648, 2017060, 3227296, 4034120, 6454592, 8068240, 12909184, 16136480, 32272960, 64545920]

約数ペア:

[(1, 64545920), (2, 32272960), (4, 16136480), (5, 12909184), (8, 8068240), (10, 6454592), (16, 4034120), (20, 3227296), (32, 2017060), (40, 1613648), (64, 1008530), (80, 806824), (128, 504265), (160, 403412), (320, 201706), (640, 100853)]