39788120

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{5557}}^1$

素因数の和:5747

約数の個数: 32

約数和(自身を含む): 90039600

約数和(自身を除く): 50251480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1432, 1790, 3580, 5557, 7160, 11114, 22228, 27785, 44456, 55570, 111140, 222280, 994703, 1989406, 3978812, 4973515, 7957624, 9947030, 19894060, 39788120]

約数ペア:

[(1, 39788120), (2, 19894060), (4, 9947030), (5, 7957624), (8, 4973515), (10, 3978812), (20, 1989406), (40, 994703), (179, 222280), (358, 111140), (716, 55570), (895, 44456), (1432, 27785), (1790, 22228), (3580, 11114), (5557, 7160)]