6456580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1307}}^1$

素因数の和:1348

約数の個数: 48

約数和(自身を含む): 15382080

約数和(自身を除く): 8925500

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 1307, 2470, 2614, 4940, 5228, 6535, 13070, 16991, 24833, 26140, 33982, 49666, 67964, 84955, 99332, 124165, 169910, 248330, 322829, 339820, 496660, 645658, 1291316, 1614145, 3228290, 6456580]

約数ペア:

[(1, 6456580), (2, 3228290), (4, 1614145), (5, 1291316), (10, 645658), (13, 496660), (19, 339820), (20, 322829), (26, 248330), (38, 169910), (52, 124165), (65, 99332), (76, 84955), (95, 67964), (130, 49666), (190, 33982), (247, 26140), (260, 24833), (380, 16991), (494, 13070), (988, 6535), (1235, 5228), (1307, 4940), (2470, 2614)]