38962820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{541}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 88597488

約数和(自身を除く): 49634668

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 277, 541, 554, 1082, 1108, 1385, 2164, 2705, 2770, 3601, 5410, 5540, 7033, 7202, 10820, 14066, 14404, 18005, 28132, 35165, 36010, 70330, 72020, 140660, 149857, 299714, 599428, 749285, 1498570, 1948141, 2997140, 3896282, 7792564, 9740705, 19481410, 38962820]

約数ペア:

[(1, 38962820), (2, 19481410), (4, 9740705), (5, 7792564), (10, 3896282), (13, 2997140), (20, 1948141), (26, 1498570), (52, 749285), (65, 599428), (130, 299714), (260, 149857), (277, 140660), (541, 72020), (554, 70330), (1082, 36010), (1108, 35165), (1385, 28132), (2164, 18005), (2705, 14404), (2770, 14066), (3601, 10820), (5410, 7202), (5540, 7033)]