13121780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4933}}^1$

素因数の和:4968

約数の個数: 48

約数和(自身を含む): 33156480

約数和(自身を除く): 20034700

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 4933, 9866, 19732, 24665, 34531, 49330, 69062, 93727, 98660, 138124, 172655, 187454, 345310, 374908, 468635, 656089, 690620, 937270, 1312178, 1874540, 2624356, 3280445, 6560890, 13121780]

約数ペア:

[(1, 13121780), (2, 6560890), (4, 3280445), (5, 2624356), (7, 1874540), (10, 1312178), (14, 937270), (19, 690620), (20, 656089), (28, 468635), (35, 374908), (38, 345310), (70, 187454), (76, 172655), (95, 138124), (133, 98660), (140, 93727), (190, 69062), (266, 49330), (380, 34531), (532, 24665), (665, 19732), (1330, 9866), (2660, 4933)]