3907840

素因数分解:

$2^8\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:135

約数の個数: 72

約数和(自身を含む): 9713088

約数和(自身を除く): 5805248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 71, 80, 86, 128, 142, 160, 172, 215, 256, 284, 320, 344, 355, 430, 568, 640, 688, 710, 860, 1136, 1280, 1376, 1420, 1720, 2272, 2752, 2840, 3053, 3440, 4544, 5504, 5680, 6106, 6880, 9088, 11008, 11360, 12212, 13760, 15265, 18176, 22720, 24424, 27520, 30530, 45440, 48848, 55040, 61060, 90880, 97696, 122120, 195392, 244240, 390784, 488480, 781568, 976960, 1953920, 3907840]

約数ペア:

[(1, 3907840), (2, 1953920), (4, 976960), (5, 781568), (8, 488480), (10, 390784), (16, 244240), (20, 195392), (32, 122120), (40, 97696), (43, 90880), (64, 61060), (71, 55040), (80, 48848), (86, 45440), (128, 30530), (142, 27520), (160, 24424), (172, 22720), (215, 18176), (256, 15265), (284, 13760), (320, 12212), (344, 11360), (355, 11008), (430, 9088), (568, 6880), (640, 6106), (688, 5680), (710, 5504), (860, 4544), (1136, 3440), (1280, 3053), (1376, 2840), (1420, 2752), (1720, 2272)]