8127860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{727}}^1$

素因数の和:792

約数の個数: 48

約数和(自身を含む): 18834816

約数和(自身を除く): 10706956

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 727, 860, 1118, 1454, 2236, 2795, 2908, 3635, 5590, 7270, 9451, 11180, 14540, 18902, 31261, 37804, 47255, 62522, 94510, 125044, 156305, 189020, 312610, 406393, 625220, 812786, 1625572, 2031965, 4063930, 8127860]

約数ペア:

[(1, 8127860), (2, 4063930), (4, 2031965), (5, 1625572), (10, 812786), (13, 625220), (20, 406393), (26, 312610), (43, 189020), (52, 156305), (65, 125044), (86, 94510), (130, 62522), (172, 47255), (215, 37804), (260, 31261), (430, 18902), (559, 14540), (727, 11180), (860, 9451), (1118, 7270), (1454, 5590), (2236, 3635), (2795, 2908)]