25016720

素因数分解:

$2^4\times 5^1\times {\mathrm{312709}}^1$

素因数の和:312722

約数の個数: 20

約数和(自身を含む): 58164060

約数和(自身を除く): 33147340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 312709, 625418, 1250836, 1563545, 2501672, 3127090, 5003344, 6254180, 12508360, 25016720]

約数ペア:

[(1, 25016720), (2, 12508360), (4, 6254180), (5, 5003344), (8, 3127090), (10, 2501672), (16, 1563545), (20, 1250836), (40, 625418), (80, 312709)]