55531420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3851}}^1$

素因数の和:3970

約数の個数: 48

約数和(自身を含む): 134604288

約数和(自身を除く): 79072868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 1030, 1442, 2060, 2884, 3605, 3851, 7210, 7702, 14420, 15404, 19255, 26957, 38510, 53914, 77020, 107828, 134785, 269570, 396653, 539140, 793306, 1586612, 1983265, 2776571, 3966530, 5553142, 7933060, 11106284, 13882855, 27765710, 55531420]

約数ペア:

[(1, 55531420), (2, 27765710), (4, 13882855), (5, 11106284), (7, 7933060), (10, 5553142), (14, 3966530), (20, 2776571), (28, 1983265), (35, 1586612), (70, 793306), (103, 539140), (140, 396653), (206, 269570), (412, 134785), (515, 107828), (721, 77020), (1030, 53914), (1442, 38510), (2060, 26957), (2884, 19255), (3605, 15404), (3851, 14420), (7210, 7702)]