40021784

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{8581}}^1$

素因数の和:8651

約数の個数: 32

約数和(自身を含む): 83417040

約数和(自身を除く): 43395256

約数列:

[1, 2, 4, 8, 11, 22, 44, 53, 88, 106, 212, 424, 583, 1166, 2332, 4664, 8581, 17162, 34324, 68648, 94391, 188782, 377564, 454793, 755128, 909586, 1819172, 3638344, 5002723, 10005446, 20010892, 40021784]

約数ペア:

[(1, 40021784), (2, 20010892), (4, 10005446), (8, 5002723), (11, 3638344), (22, 1819172), (44, 909586), (53, 755128), (88, 454793), (106, 377564), (212, 188782), (424, 94391), (583, 68648), (1166, 34324), (2332, 17162), (4664, 8581)]