8415520

素因数分解:

$2^5\times 5^1\times {\mathrm{149}}^1\times {\mathrm{353}}^1$

素因数の和:517

約数の個数: 48

約数和(自身を含む): 20071800

約数和(自身を除く): 11656280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 149, 160, 298, 353, 596, 706, 745, 1192, 1412, 1490, 1765, 2384, 2824, 2980, 3530, 4768, 5648, 5960, 7060, 11296, 11920, 14120, 23840, 28240, 52597, 56480, 105194, 210388, 262985, 420776, 525970, 841552, 1051940, 1683104, 2103880, 4207760, 8415520]

約数ペア:

[(1, 8415520), (2, 4207760), (4, 2103880), (5, 1683104), (8, 1051940), (10, 841552), (16, 525970), (20, 420776), (32, 262985), (40, 210388), (80, 105194), (149, 56480), (160, 52597), (298, 28240), (353, 23840), (596, 14120), (706, 11920), (745, 11296), (1192, 7060), (1412, 5960), (1490, 5648), (1765, 4768), (2384, 3530), (2824, 2980)]