53908040

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{2083}}^1$

素因数の和:2741

約数の個数: 32

約数和(自身を含む): 121538880

約数和(自身を除く): 67630840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1294, 2083, 2588, 3235, 4166, 5176, 6470, 8332, 10415, 12940, 16664, 20830, 25880, 41660, 83320, 1347701, 2695402, 5390804, 6738505, 10781608, 13477010, 26954020, 53908040]

約数ペア:

[(1, 53908040), (2, 26954020), (4, 13477010), (5, 10781608), (8, 6738505), (10, 5390804), (20, 2695402), (40, 1347701), (647, 83320), (1294, 41660), (2083, 25880), (2588, 20830), (3235, 16664), (4166, 12940), (5176, 10415), (6470, 8332)]