69939280

素因数分解:

$2^4\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1913}}^1$

素因数の和:2383

約数の個数: 40

約数和(自身を含む): 163049832

約数和(自身を除く): 93110552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 457, 914, 1828, 1913, 2285, 3656, 3826, 4570, 7312, 7652, 9140, 9565, 15304, 18280, 19130, 30608, 36560, 38260, 76520, 153040, 874241, 1748482, 3496964, 4371205, 6993928, 8742410, 13987856, 17484820, 34969640, 69939280]

約数ペア:

[(1, 69939280), (2, 34969640), (4, 17484820), (5, 13987856), (8, 8742410), (10, 6993928), (16, 4371205), (20, 3496964), (40, 1748482), (80, 874241), (457, 153040), (914, 76520), (1828, 38260), (1913, 36560), (2285, 30608), (3656, 19130), (3826, 18280), (4570, 15304), (7312, 9565), (7652, 9140)]