66015280

素因数分解:

$2^4\times 5^1\times {\mathrm{825191}}^1$

素因数の和:825204

約数の個数: 20

約数和(自身を含む): 153485712

約数和(自身を除く): 87470432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 825191, 1650382, 3300764, 4125955, 6601528, 8251910, 13203056, 16503820, 33007640, 66015280]

約数ペア:

[(1, 66015280), (2, 33007640), (4, 16503820), (5, 13203056), (8, 8251910), (10, 6601528), (16, 4125955), (20, 3300764), (40, 1650382), (80, 825191)]