8145920

素因数分解:

$2^{10}\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:105

約数の個数: 88

約数和(自身を含む): 20535504

約数和(自身を除く): 12389584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 43, 64, 74, 80, 86, 128, 148, 160, 172, 185, 215, 256, 296, 320, 344, 370, 430, 512, 592, 640, 688, 740, 860, 1024, 1184, 1280, 1376, 1480, 1591, 1720, 2368, 2560, 2752, 2960, 3182, 3440, 4736, 5120, 5504, 5920, 6364, 6880, 7955, 9472, 11008, 11840, 12728, 13760, 15910, 18944, 22016, 23680, 25456, 27520, 31820, 37888, 44032, 47360, 50912, 55040, 63640, 94720, 101824, 110080, 127280, 189440, 203648, 220160, 254560, 407296, 509120, 814592, 1018240, 1629184, 2036480, 4072960, 8145920]

約数ペア:

[(1, 8145920), (2, 4072960), (4, 2036480), (5, 1629184), (8, 1018240), (10, 814592), (16, 509120), (20, 407296), (32, 254560), (37, 220160), (40, 203648), (43, 189440), (64, 127280), (74, 110080), (80, 101824), (86, 94720), (128, 63640), (148, 55040), (160, 50912), (172, 47360), (185, 44032), (215, 37888), (256, 31820), (296, 27520), (320, 25456), (344, 23680), (370, 22016), (430, 18944), (512, 15910), (592, 13760), (640, 12728), (688, 11840), (740, 11008), (860, 9472), (1024, 7955), (1184, 6880), (1280, 6364), (1376, 5920), (1480, 5504), (1591, 5120), (1720, 4736), (2368, 3440), (2560, 3182), (2752, 2960)]