2056559440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1229}}^1\times {\mathrm{1609}}^1$

素因数の和:2864

約数の個数: 80

約数和(自身を含む): 5156701200

約数和(自身を除く): 3100141760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1229, 1609, 2458, 3218, 4916, 6145, 6436, 8045, 9832, 12290, 12872, 15977, 16090, 19664, 20917, 24580, 25744, 31954, 32180, 41834, 49160, 63908, 64360, 79885, 83668, 98320, 104585, 127816, 128720, 159770, 167336, 209170, 255632, 319540, 334672, 418340, 639080, 836680, 1278160, 1673360, 1977461, 3954922, 7909844, 9887305, 15819688, 19774610, 25706993, 31639376, 39549220, 51413986, 79098440, 102827972, 128534965, 158196880, 205655944, 257069930, 411311888, 514139860, 1028279720, 2056559440]

約数ペア:

[(1, 2056559440), (2, 1028279720), (4, 514139860), (5, 411311888), (8, 257069930), (10, 205655944), (13, 158196880), (16, 128534965), (20, 102827972), (26, 79098440), (40, 51413986), (52, 39549220), (65, 31639376), (80, 25706993), (104, 19774610), (130, 15819688), (208, 9887305), (260, 7909844), (520, 3954922), (1040, 1977461), (1229, 1673360), (1609, 1278160), (2458, 836680), (3218, 639080), (4916, 418340), (6145, 334672), (6436, 319540), (8045, 255632), (9832, 209170), (12290, 167336), (12872, 159770), (15977, 128720), (16090, 127816), (19664, 104585), (20917, 98320), (24580, 83668), (25744, 79885), (31954, 64360), (32180, 63908), (41834, 49160)]