57079720

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{6763}}^1$

素因数の和:6985

約数の個数: 32

約数和(自身を含む): 129057120

約数和(自身を除く): 71977400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 6763, 8440, 13526, 27052, 33815, 54104, 67630, 135260, 270520, 1426993, 2853986, 5707972, 7134965, 11415944, 14269930, 28539860, 57079720]

約数ペア:

[(1, 57079720), (2, 28539860), (4, 14269930), (5, 11415944), (8, 7134965), (10, 5707972), (20, 2853986), (40, 1426993), (211, 270520), (422, 135260), (844, 67630), (1055, 54104), (1688, 33815), (2110, 27052), (4220, 13526), (6763, 8440)]