127834240

素因数分解:

$2^7\times 5^1\times {\mathrm{199741}}^1$

素因数の和:199760

約数の個数: 32

約数和(自身を含む): 305605260

約数和(自身を除く): 177771020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 199741, 399482, 798964, 998705, 1597928, 1997410, 3195856, 3994820, 6391712, 7989640, 12783424, 15979280, 25566848, 31958560, 63917120, 127834240]

約数ペア:

[(1, 127834240), (2, 63917120), (4, 31958560), (5, 25566848), (8, 15979280), (10, 12783424), (16, 7989640), (20, 6391712), (32, 3994820), (40, 3195856), (64, 1997410), (80, 1597928), (128, 998705), (160, 798964), (320, 399482), (640, 199741)]