54570440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31727}}^1$

素因数の和:31781

約数の個数: 32

約数和(自身を含む): 125642880

約数和(自身を除く): 71072440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 31727, 63454, 126908, 158635, 253816, 317270, 634540, 1269080, 1364261, 2728522, 5457044, 6821305, 10914088, 13642610, 27285220, 54570440]

約数ペア:

[(1, 54570440), (2, 27285220), (4, 13642610), (5, 10914088), (8, 6821305), (10, 5457044), (20, 2728522), (40, 1364261), (43, 1269080), (86, 634540), (172, 317270), (215, 253816), (344, 158635), (430, 126908), (860, 63454), (1720, 31727)]