80984930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{1091}}^1$

素因数の和:1682

約数の個数: 32

約数和(自身を含む): 157405248

約数和(自身を除く): 76420318

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 571, 1091, 1142, 2182, 2855, 5455, 5710, 7423, 10910, 14183, 14846, 28366, 37115, 70915, 74230, 141830, 622961, 1245922, 3114805, 6229610, 8098493, 16196986, 40492465, 80984930]

約数ペア:

[(1, 80984930), (2, 40492465), (5, 16196986), (10, 8098493), (13, 6229610), (26, 3114805), (65, 1245922), (130, 622961), (571, 141830), (1091, 74230), (1142, 70915), (2182, 37115), (2855, 28366), (5455, 14846), (5710, 14183), (7423, 10910)]