79945880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{285521}}^1$

素因数の和:285539

約数の個数: 32

約数和(自身を含む): 205575840

約数和(自身を除く): 125629960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 285521, 571042, 1142084, 1427605, 1998647, 2284168, 2855210, 3997294, 5710420, 7994588, 9993235, 11420840, 15989176, 19986470, 39972940, 79945880]

約数ペア:

[(1, 79945880), (2, 39972940), (4, 19986470), (5, 15989176), (7, 11420840), (8, 9993235), (10, 7994588), (14, 5710420), (20, 3997294), (28, 2855210), (35, 2284168), (40, 1998647), (56, 1427605), (70, 1142084), (140, 571042), (280, 285521)]