72051680

素因数分解:

$2^5\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1123}}^1$

素因数の和:1539

約数の個数: 48

約数和(自身を含む): 170798544

約数和(自身を除く): 98746864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 401, 802, 1123, 1604, 2005, 2246, 3208, 4010, 4492, 5615, 6416, 8020, 8984, 11230, 12832, 16040, 17968, 22460, 32080, 35936, 44920, 64160, 89840, 179680, 450323, 900646, 1801292, 2251615, 3602584, 4503230, 7205168, 9006460, 14410336, 18012920, 36025840, 72051680]

約数ペア:

[(1, 72051680), (2, 36025840), (4, 18012920), (5, 14410336), (8, 9006460), (10, 7205168), (16, 4503230), (20, 3602584), (32, 2251615), (40, 1801292), (80, 900646), (160, 450323), (401, 179680), (802, 89840), (1123, 64160), (1604, 44920), (2005, 35936), (2246, 32080), (3208, 22460), (4010, 17968), (4492, 16040), (5615, 12832), (6416, 11230), (8020, 8984)]