67647760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{49741}}^1$

素因数の和:49771

約数の個数: 40

約数和(自身を含む): 166536216

約数和(自身を除く): 98888456

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 49741, 99482, 198964, 248705, 397928, 497410, 795856, 845597, 994820, 1691194, 1989640, 3382388, 3979280, 4227985, 6764776, 8455970, 13529552, 16911940, 33823880, 67647760]

約数ペア:

[(1, 67647760), (2, 33823880), (4, 16911940), (5, 13529552), (8, 8455970), (10, 6764776), (16, 4227985), (17, 3979280), (20, 3382388), (34, 1989640), (40, 1691194), (68, 994820), (80, 845597), (85, 795856), (136, 497410), (170, 397928), (272, 248705), (340, 198964), (680, 99482), (1360, 49741)]