2078161280

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{249779}}^1$

素因数の和:249811

約数の個数: 64

約数和(自身を含む): 5350287600

約数和(自身を除く): 3272126320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 249779, 499558, 999116, 1248895, 1998232, 2497790, 3247127, 3996464, 4995580, 6494254, 7992928, 9991160, 12988508, 15985856, 16235635, 19982320, 25977016, 31971712, 32471270, 39964640, 51954032, 64942540, 79929280, 103908064, 129885080, 159858560, 207816128, 259770160, 415632256, 519540320, 1039080640, 2078161280]

約数ペア:

[(1, 2078161280), (2, 1039080640), (4, 519540320), (5, 415632256), (8, 259770160), (10, 207816128), (13, 159858560), (16, 129885080), (20, 103908064), (26, 79929280), (32, 64942540), (40, 51954032), (52, 39964640), (64, 32471270), (65, 31971712), (80, 25977016), (104, 19982320), (128, 16235635), (130, 15985856), (160, 12988508), (208, 9991160), (260, 7992928), (320, 6494254), (416, 4995580), (520, 3996464), (640, 3247127), (832, 2497790), (1040, 1998232), (1664, 1248895), (2080, 999116), (4160, 499558), (8320, 249779)]