8198320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7883}}^1$

素因数の和:7909

約数の個数: 40

約数和(自身を含む): 20529936

約数和(自身を除く): 12331616

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 7883, 15766, 31532, 39415, 63064, 78830, 102479, 126128, 157660, 204958, 315320, 409916, 512395, 630640, 819832, 1024790, 1639664, 2049580, 4099160, 8198320]

約数ペア:

[(1, 8198320), (2, 4099160), (4, 2049580), (5, 1639664), (8, 1024790), (10, 819832), (13, 630640), (16, 512395), (20, 409916), (26, 315320), (40, 204958), (52, 157660), (65, 126128), (80, 102479), (104, 78830), (130, 63064), (208, 39415), (260, 31532), (520, 15766), (1040, 7883)]