87387860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{624199}}^1$

素因数の和:624215

約数の個数: 24

約数和(自身を含む): 209731200

約数和(自身を除く): 122343340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 624199, 1248398, 2496796, 3120995, 4369393, 6241990, 8738786, 12483980, 17477572, 21846965, 43693930, 87387860]

約数ペア:

[(1, 87387860), (2, 43693930), (4, 21846965), (5, 17477572), (7, 12483980), (10, 8738786), (14, 6241990), (20, 4369393), (28, 3120995), (35, 2496796), (70, 1248398), (140, 624199)]