1293461920

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{90833}}^1$

素因数の和:90937

約数の個数: 48

約数和(自身を含む): 3090172680

約数和(自身を除く): 1796710760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 7120, 14240, 90833, 181666, 363332, 454165, 726664, 908330, 1453328, 1816660, 2906656, 3633320, 7266640, 8084137, 14533280, 16168274, 32336548, 40420685, 64673096, 80841370, 129346192, 161682740, 258692384, 323365480, 646730960, 1293461920]

約数ペア:

[(1, 1293461920), (2, 646730960), (4, 323365480), (5, 258692384), (8, 161682740), (10, 129346192), (16, 80841370), (20, 64673096), (32, 40420685), (40, 32336548), (80, 16168274), (89, 14533280), (160, 8084137), (178, 7266640), (356, 3633320), (445, 2906656), (712, 1816660), (890, 1453328), (1424, 908330), (1780, 726664), (2848, 454165), (3560, 363332), (7120, 181666), (14240, 90833)]