7213840

素因数分解:

$2^4\times 5^1\times {\mathrm{90173}}^1$

素因数の和:90186

約数の個数: 20

約数和(自身を含む): 16772364

約数和(自身を除く): 9558524

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 90173, 180346, 360692, 450865, 721384, 901730, 1442768, 1803460, 3606920, 7213840]

約数ペア:

[(1, 7213840), (2, 3606920), (4, 1803460), (5, 1442768), (8, 901730), (10, 721384), (16, 450865), (20, 360692), (40, 180346), (80, 90173)]