65423660

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{46073}}^1$

素因数の和:46153

約数の個数: 24

約数和(自身を含む): 139327776

約数和(自身を除く): 73904116

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 46073, 92146, 184292, 230365, 460730, 921460, 3271183, 6542366, 13084732, 16355915, 32711830, 65423660]

約数ペア:

[(1, 65423660), (2, 32711830), (4, 16355915), (5, 13084732), (10, 6542366), (20, 3271183), (71, 921460), (142, 460730), (284, 230365), (355, 184292), (710, 92146), (1420, 46073)]