22128860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{6547}}^1$

素因数の和:6582

約数の個数: 36

約数和(自身を含む): 50327928

約数和(自身を除く): 28199068

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 6547, 13094, 26188, 32735, 65470, 85111, 130940, 170222, 340444, 425555, 851110, 1106443, 1702220, 2212886, 4425772, 5532215, 11064430, 22128860]

約数ペア:

[(1, 22128860), (2, 11064430), (4, 5532215), (5, 4425772), (10, 2212886), (13, 1702220), (20, 1106443), (26, 851110), (52, 425555), (65, 340444), (130, 170222), (169, 130940), (260, 85111), (338, 65470), (676, 32735), (845, 26188), (1690, 13094), (3380, 6547)]