158446520

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{7603}}^1$

素因数の和:8135

約数の個数: 32

約数和(自身を含む): 357235920

約数和(自身を除く): 198789400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 1042, 2084, 2605, 4168, 5210, 7603, 10420, 15206, 20840, 30412, 38015, 60824, 76030, 152060, 304120, 3961163, 7922326, 15844652, 19805815, 31689304, 39611630, 79223260, 158446520]

約数ペア:

[(1, 158446520), (2, 79223260), (4, 39611630), (5, 31689304), (8, 19805815), (10, 15844652), (20, 7922326), (40, 3961163), (521, 304120), (1042, 152060), (2084, 76030), (2605, 60824), (4168, 38015), (5210, 30412), (7603, 20840), (10420, 15206)]