87729760

素因数分解:

$2^5\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1249}}^1$

素因数の和:1703

約数の個数: 48

約数和(自身を含む): 207900000

約数和(自身を除く): 120170240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 439, 878, 1249, 1756, 2195, 2498, 3512, 4390, 4996, 6245, 7024, 8780, 9992, 12490, 14048, 17560, 19984, 24980, 35120, 39968, 49960, 70240, 99920, 199840, 548311, 1096622, 2193244, 2741555, 4386488, 5483110, 8772976, 10966220, 17545952, 21932440, 43864880, 87729760]

約数ペア:

[(1, 87729760), (2, 43864880), (4, 21932440), (5, 17545952), (8, 10966220), (10, 8772976), (16, 5483110), (20, 4386488), (32, 2741555), (40, 2193244), (80, 1096622), (160, 548311), (439, 199840), (878, 99920), (1249, 70240), (1756, 49960), (2195, 39968), (2498, 35120), (3512, 24980), (4390, 19984), (4996, 17560), (6245, 14048), (7024, 12490), (8780, 9992)]