27707720

素因数分解:

$2^3\times 5^1\times {\mathrm{709}}^1\times {\mathrm{977}}^1$

素因数の和:1697

約数の個数: 32

約数和(自身を含む): 62494200

約数和(自身を除く): 34786480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 709, 977, 1418, 1954, 2836, 3545, 3908, 4885, 5672, 7090, 7816, 9770, 14180, 19540, 28360, 39080, 692693, 1385386, 2770772, 3463465, 5541544, 6926930, 13853860, 27707720]

約数ペア:

[(1, 27707720), (2, 13853860), (4, 6926930), (5, 5541544), (8, 3463465), (10, 2770772), (20, 1385386), (40, 692693), (709, 39080), (977, 28360), (1418, 19540), (1954, 14180), (2836, 9770), (3545, 7816), (3908, 7090), (4885, 5672)]