80981810

素因数分解:

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

素因数の和:12747

約数の個数: 48

約数和(自身を含む): 182623896

約数和(自身を除く): 101642086

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 6370, 12713, 25426, 63565, 88991, 127130, 165269, 177982, 330538, 444955, 622937, 826345, 889910, 1156883, 1245874, 1652690, 2313766, 3114685, 5784415, 6229370, 8098181, 11568830, 16196362, 40490905, 80981810]

約数ペア:

[(1, 80981810), (2, 40490905), (5, 16196362), (7, 11568830), (10, 8098181), (13, 6229370), (14, 5784415), (26, 3114685), (35, 2313766), (49, 1652690), (65, 1245874), (70, 1156883), (91, 889910), (98, 826345), (130, 622937), (182, 444955), (245, 330538), (455, 177982), (490, 165269), (637, 127130), (910, 88991), (1274, 63565), (3185, 25426), (6370, 12713)]