8053180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{419}}^1$

素因数の和:490

約数の個数: 36

約数和(自身を含む): 17516520

約数和(自身を除く): 9463340

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 419, 620, 838, 961, 1676, 1922, 2095, 3844, 4190, 4805, 8380, 9610, 12989, 19220, 25978, 51956, 64945, 129890, 259780, 402659, 805318, 1610636, 2013295, 4026590, 8053180]

約数ペア:

[(1, 8053180), (2, 4026590), (4, 2013295), (5, 1610636), (10, 805318), (20, 402659), (31, 259780), (62, 129890), (124, 64945), (155, 51956), (310, 25978), (419, 19220), (620, 12989), (838, 9610), (961, 8380), (1676, 4805), (1922, 4190), (2095, 3844)]