16155020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{449}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 39009600

約数和(自身を除く): 22854580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 257, 449, 514, 898, 1028, 1285, 1796, 1799, 2245, 2570, 3143, 3598, 4490, 5140, 6286, 7196, 8980, 8995, 12572, 15715, 17990, 31430, 35980, 62860, 115393, 230786, 461572, 576965, 807751, 1153930, 1615502, 2307860, 3231004, 4038755, 8077510, 16155020]

約数ペア:

[(1, 16155020), (2, 8077510), (4, 4038755), (5, 3231004), (7, 2307860), (10, 1615502), (14, 1153930), (20, 807751), (28, 576965), (35, 461572), (70, 230786), (140, 115393), (257, 62860), (449, 35980), (514, 31430), (898, 17990), (1028, 15715), (1285, 12572), (1796, 8995), (1799, 8980), (2245, 7196), (2570, 6286), (3143, 5140), (3598, 4490)]