3988120

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{557}}^1$

素因数の和:747

約数の個数: 32

約数和(自身を含む): 9039600

約数和(自身を除く): 5051480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 557, 716, 895, 1114, 1432, 1790, 2228, 2785, 3580, 4456, 5570, 7160, 11140, 22280, 99703, 199406, 398812, 498515, 797624, 997030, 1994060, 3988120]

約数ペア:

[(1, 3988120), (2, 1994060), (4, 997030), (5, 797624), (8, 498515), (10, 398812), (20, 199406), (40, 99703), (179, 22280), (358, 11140), (557, 7160), (716, 5570), (895, 4456), (1114, 3580), (1432, 2785), (1790, 2228)]