2600780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1429}}^1$

素因数の和:1458

約数の個数: 48

約数和(自身を含む): 6726720

約数和(自身を除く): 4125940

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1429, 1820, 2858, 5716, 7145, 10003, 14290, 18577, 20006, 28580, 37154, 40012, 50015, 74308, 92885, 100030, 130039, 185770, 200060, 260078, 371540, 520156, 650195, 1300390, 2600780]

約数ペア:

[(1, 2600780), (2, 1300390), (4, 650195), (5, 520156), (7, 371540), (10, 260078), (13, 200060), (14, 185770), (20, 130039), (26, 100030), (28, 92885), (35, 74308), (52, 50015), (65, 40012), (70, 37154), (91, 28580), (130, 20006), (140, 18577), (182, 14290), (260, 10003), (364, 7145), (455, 5716), (910, 2858), (1429, 1820)]