13247180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:590

約数の個数: 48

約数和(自身を含む): 29756160

約数和(自身を除く): 16508980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 380, 491, 710, 982, 1349, 1420, 1964, 2455, 2698, 4910, 5396, 6745, 9329, 9820, 13490, 18658, 26980, 34861, 37316, 46645, 69722, 93290, 139444, 174305, 186580, 348610, 662359, 697220, 1324718, 2649436, 3311795, 6623590, 13247180]

約数ペア:

[(1, 13247180), (2, 6623590), (4, 3311795), (5, 2649436), (10, 1324718), (19, 697220), (20, 662359), (38, 348610), (71, 186580), (76, 174305), (95, 139444), (142, 93290), (190, 69722), (284, 46645), (355, 37316), (380, 34861), (491, 26980), (710, 18658), (982, 13490), (1349, 9820), (1420, 9329), (1964, 6745), (2455, 5396), (2698, 4910)]