12908740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{379}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 29494080

約数和(自身を除く): 16585340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 379, 524, 655, 758, 1310, 1516, 1703, 1895, 2620, 3406, 3790, 4927, 6812, 7580, 8515, 9854, 17030, 19708, 24635, 34060, 49270, 49649, 98540, 99298, 198596, 248245, 496490, 645437, 992980, 1290874, 2581748, 3227185, 6454370, 12908740]

約数ペア:

[(1, 12908740), (2, 6454370), (4, 3227185), (5, 2581748), (10, 1290874), (13, 992980), (20, 645437), (26, 496490), (52, 248245), (65, 198596), (130, 99298), (131, 98540), (260, 49649), (262, 49270), (379, 34060), (524, 24635), (655, 19708), (758, 17030), (1310, 9854), (1516, 8515), (1703, 7580), (1895, 6812), (2620, 4927), (3406, 3790)]