9380020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{839}}^1$

素因数の和:904

約数の個数: 48

約数和(自身を含む): 21732480

約数和(自身を除く): 12352460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 839, 860, 1118, 1678, 2236, 2795, 3356, 4195, 5590, 8390, 10907, 11180, 16780, 21814, 36077, 43628, 54535, 72154, 109070, 144308, 180385, 218140, 360770, 469001, 721540, 938002, 1876004, 2345005, 4690010, 9380020]

約数ペア:

[(1, 9380020), (2, 4690010), (4, 2345005), (5, 1876004), (10, 938002), (13, 721540), (20, 469001), (26, 360770), (43, 218140), (52, 180385), (65, 144308), (86, 109070), (130, 72154), (172, 54535), (215, 43628), (260, 36077), (430, 21814), (559, 16780), (839, 11180), (860, 10907), (1118, 8390), (1678, 5590), (2236, 4195), (2795, 3356)]