8561020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1733}}^1$

素因数の和:1774

約数の個数: 48

約数和(自身を含む): 20391840

約数和(自身を除く): 11830820

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 1733, 2470, 3466, 4940, 6932, 8665, 17330, 22529, 32927, 34660, 45058, 65854, 90116, 112645, 131708, 164635, 225290, 329270, 428051, 450580, 658540, 856102, 1712204, 2140255, 4280510, 8561020]

約数ペア:

[(1, 8561020), (2, 4280510), (4, 2140255), (5, 1712204), (10, 856102), (13, 658540), (19, 450580), (20, 428051), (26, 329270), (38, 225290), (52, 164635), (65, 131708), (76, 112645), (95, 90116), (130, 65854), (190, 45058), (247, 34660), (260, 32927), (380, 22529), (494, 17330), (988, 8665), (1235, 6932), (1733, 4940), (2470, 3466)]