71902280

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{6397}}^1$

素因数の和:6689

約数の個数: 32

約数和(自身を含む): 162381240

約数和(自身を除く): 90478960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 2248, 2810, 5620, 6397, 11240, 12794, 25588, 31985, 51176, 63970, 127940, 255880, 1797557, 3595114, 7190228, 8987785, 14380456, 17975570, 35951140, 71902280]

約数ペア:

[(1, 71902280), (2, 35951140), (4, 17975570), (5, 14380456), (8, 8987785), (10, 7190228), (20, 3595114), (40, 1797557), (281, 255880), (562, 127940), (1124, 63970), (1405, 51176), (2248, 31985), (2810, 25588), (5620, 12794), (6397, 11240)]