4981120

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 12252240

約数和(自身を除く): 7271120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 181, 215, 320, 344, 362, 430, 640, 688, 724, 860, 905, 1376, 1448, 1720, 1810, 2752, 2896, 3440, 3620, 5504, 5792, 6880, 7240, 7783, 11584, 13760, 14480, 15566, 23168, 27520, 28960, 31132, 38915, 57920, 62264, 77830, 115840, 124528, 155660, 249056, 311320, 498112, 622640, 996224, 1245280, 2490560, 4981120]

約数ペア:

[(1, 4981120), (2, 2490560), (4, 1245280), (5, 996224), (8, 622640), (10, 498112), (16, 311320), (20, 249056), (32, 155660), (40, 124528), (43, 115840), (64, 77830), (80, 62264), (86, 57920), (128, 38915), (160, 31132), (172, 28960), (181, 27520), (215, 23168), (320, 15566), (344, 14480), (362, 13760), (430, 11584), (640, 7783), (688, 7240), (724, 6880), (860, 5792), (905, 5504), (1376, 3620), (1448, 3440), (1720, 2896), (1810, 2752)]