66385120

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9649}}^1$

素因数の和:9707

約数の個数: 48

約数和(自身を含む): 160498800

約数和(自身を除く): 94113680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 9649, 19298, 38596, 48245, 77192, 96490, 154384, 192980, 308768, 385960, 414907, 771920, 829814, 1543840, 1659628, 2074535, 3319256, 4149070, 6638512, 8298140, 13277024, 16596280, 33192560, 66385120]

約数ペア:

[(1, 66385120), (2, 33192560), (4, 16596280), (5, 13277024), (8, 8298140), (10, 6638512), (16, 4149070), (20, 3319256), (32, 2074535), (40, 1659628), (43, 1543840), (80, 829814), (86, 771920), (160, 414907), (172, 385960), (215, 308768), (344, 192980), (430, 154384), (688, 96490), (860, 77192), (1376, 48245), (1720, 38596), (3440, 19298), (6880, 9649)]