40490905

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{12713}}^1$

素因数の和:12745

約数の個数: 24

約数和(自身を含む): 60874632

約数和(自身を除く): 20383727

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 12713, 63565, 88991, 165269, 444955, 622937, 826345, 1156883, 3114685, 5784415, 8098181, 40490905]

約数ペア:

[(1, 40490905), (5, 8098181), (7, 5784415), (13, 3114685), (35, 1156883), (49, 826345), (65, 622937), (91, 444955), (245, 165269), (455, 88991), (637, 63565), (3185, 12713)]