53900360

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18979}}^1$

素因数の和:19061

約数の個数: 32

約数和(自身を含む): 122990400

約数和(自身を除く): 69090040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 18979, 37958, 75916, 94895, 151832, 189790, 379580, 759160, 1347509, 2695018, 5390036, 6737545, 10780072, 13475090, 26950180, 53900360]

約数ペア:

[(1, 53900360), (2, 26950180), (4, 13475090), (5, 10780072), (8, 6737545), (10, 5390036), (20, 2695018), (40, 1347509), (71, 759160), (142, 379580), (284, 189790), (355, 151832), (568, 94895), (710, 75916), (1420, 37958), (2840, 18979)]