80076880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2081}}^1$

素因数の和:2144

約数の個数: 80

約数和(自身を含む): 206018064

約数和(自身を除く): 125941184

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 260, 296, 370, 481, 520, 592, 740, 962, 1040, 1480, 1924, 2081, 2405, 2960, 3848, 4162, 4810, 7696, 8324, 9620, 10405, 16648, 19240, 20810, 27053, 33296, 38480, 41620, 54106, 76997, 83240, 108212, 135265, 153994, 166480, 216424, 270530, 307988, 384985, 432848, 541060, 615976, 769970, 1000961, 1082120, 1231952, 1539940, 2001922, 2164240, 3079880, 4003844, 5004805, 6159760, 8007688, 10009610, 16015376, 20019220, 40038440, 80076880]

約数ペア:

[(1, 80076880), (2, 40038440), (4, 20019220), (5, 16015376), (8, 10009610), (10, 8007688), (13, 6159760), (16, 5004805), (20, 4003844), (26, 3079880), (37, 2164240), (40, 2001922), (52, 1539940), (65, 1231952), (74, 1082120), (80, 1000961), (104, 769970), (130, 615976), (148, 541060), (185, 432848), (208, 384985), (260, 307988), (296, 270530), (370, 216424), (481, 166480), (520, 153994), (592, 135265), (740, 108212), (962, 83240), (1040, 76997), (1480, 54106), (1924, 41620), (2081, 38480), (2405, 33296), (2960, 27053), (3848, 20810), (4162, 19240), (4810, 16648), (7696, 10405), (8324, 9620)]