260164580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{7879}}^1$

素因数の和:8028

約数の個数: 48

約数和(自身を含む): 593080320

約数和(自身を除く): 332915740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 508, 635, 1270, 1651, 2540, 3302, 6604, 7879, 8255, 15758, 16510, 31516, 33020, 39395, 78790, 102427, 157580, 204854, 409708, 512135, 1000633, 1024270, 2001266, 2048540, 4002532, 5003165, 10006330, 13008229, 20012660, 26016458, 52032916, 65041145, 130082290, 260164580]

約数ペア:

[(1, 260164580), (2, 130082290), (4, 65041145), (5, 52032916), (10, 26016458), (13, 20012660), (20, 13008229), (26, 10006330), (52, 5003165), (65, 4002532), (127, 2048540), (130, 2001266), (254, 1024270), (260, 1000633), (508, 512135), (635, 409708), (1270, 204854), (1651, 157580), (2540, 102427), (3302, 78790), (6604, 39395), (7879, 33020), (8255, 31516), (15758, 16510)]