5728040

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1609}}^1$

素因数の和:1709

約数の個数: 32

約数和(自身を含む): 13041000

約数和(自身を除く): 7312960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1609, 1780, 3218, 3560, 6436, 8045, 12872, 16090, 32180, 64360, 143201, 286402, 572804, 716005, 1145608, 1432010, 2864020, 5728040]

約数ペア:

[(1, 5728040), (2, 2864020), (4, 1432010), (5, 1145608), (8, 716005), (10, 572804), (20, 286402), (40, 143201), (89, 64360), (178, 32180), (356, 16090), (445, 12872), (712, 8045), (890, 6436), (1609, 3560), (1780, 3218)]