168796520

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79621}}^1$

素因数の和:79685

約数の個数: 32

約数和(自身を含む): 386962920

約数和(自身を除く): 218166400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 79621, 159242, 318484, 398105, 636968, 796210, 1592420, 3184840, 4219913, 8439826, 16879652, 21099565, 33759304, 42199130, 84398260, 168796520]

約数ペア:

[(1, 168796520), (2, 84398260), (4, 42199130), (5, 33759304), (8, 21099565), (10, 16879652), (20, 8439826), (40, 4219913), (53, 3184840), (106, 1592420), (212, 796210), (265, 636968), (424, 398105), (530, 318484), (1060, 159242), (2120, 79621)]