81755440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{6047}}^1$

素因数の和:6086

約数の個数: 60

約数和(自身を含む): 205861824

約数和(自身を除く): 124106384

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 6047, 6760, 12094, 13520, 24188, 30235, 48376, 60470, 78611, 96752, 120940, 157222, 241880, 314444, 393055, 483760, 628888, 786110, 1021943, 1257776, 1572220, 2043886, 3144440, 4087772, 5109715, 6288880, 8175544, 10219430, 16351088, 20438860, 40877720, 81755440]

約数ペア:

[(1, 81755440), (2, 40877720), (4, 20438860), (5, 16351088), (8, 10219430), (10, 8175544), (13, 6288880), (16, 5109715), (20, 4087772), (26, 3144440), (40, 2043886), (52, 1572220), (65, 1257776), (80, 1021943), (104, 786110), (130, 628888), (169, 483760), (208, 393055), (260, 314444), (338, 241880), (520, 157222), (676, 120940), (845, 96752), (1040, 78611), (1352, 60470), (1690, 48376), (2704, 30235), (3380, 24188), (6047, 13520), (6760, 12094)]