2562040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{379}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 6258600

約数和(自身を除く): 3696560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 379, 520, 676, 758, 845, 1352, 1516, 1690, 1895, 3032, 3380, 3790, 4927, 6760, 7580, 9854, 15160, 19708, 24635, 39416, 49270, 64051, 98540, 128102, 197080, 256204, 320255, 512408, 640510, 1281020, 2562040]

約数ペア:

[(1, 2562040), (2, 1281020), (4, 640510), (5, 512408), (8, 320255), (10, 256204), (13, 197080), (20, 128102), (26, 98540), (40, 64051), (52, 49270), (65, 39416), (104, 24635), (130, 19708), (169, 15160), (260, 9854), (338, 7580), (379, 6760), (520, 4927), (676, 3790), (758, 3380), (845, 3032), (1352, 1895), (1516, 1690)]