139071760

素因数分解:

$2^4\times 5^1\times {\mathrm{557}}^1\times {\mathrm{3121}}^1$

素因数の和:3691

約数の個数: 40

約数和(自身を含む): 324026136

約数和(自身を除く): 184954376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 557, 1114, 2228, 2785, 3121, 4456, 5570, 6242, 8912, 11140, 12484, 15605, 22280, 24968, 31210, 44560, 49936, 62420, 124840, 249680, 1738397, 3476794, 6953588, 8691985, 13907176, 17383970, 27814352, 34767940, 69535880, 139071760]

約数ペア:

[(1, 139071760), (2, 69535880), (4, 34767940), (5, 27814352), (8, 17383970), (10, 13907176), (16, 8691985), (20, 6953588), (40, 3476794), (80, 1738397), (557, 249680), (1114, 124840), (2228, 62420), (2785, 49936), (3121, 44560), (4456, 31210), (5570, 24968), (6242, 22280), (8912, 15605), (11140, 12484)]