71806520

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{33871}}^1$

素因数の和:33935

約数の個数: 32

約数和(自身を含む): 164617920

約数和(自身を除く): 92811400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 33871, 67742, 135484, 169355, 270968, 338710, 677420, 1354840, 1795163, 3590326, 7180652, 8975815, 14361304, 17951630, 35903260, 71806520]

約数ペア:

[(1, 71806520), (2, 35903260), (4, 17951630), (5, 14361304), (8, 8975815), (10, 7180652), (20, 3590326), (40, 1795163), (53, 1354840), (106, 677420), (212, 338710), (265, 270968), (424, 169355), (530, 135484), (1060, 67742), (2120, 33871)]