81294950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1871}}^1$

素因数の和:1973

約数の個数: 48

約数和(自身を含む): 167132160

約数和(自身を除く): 85837210

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 79, 110, 158, 275, 395, 550, 790, 869, 1738, 1871, 1975, 3742, 3950, 4345, 8690, 9355, 18710, 20581, 21725, 41162, 43450, 46775, 93550, 102905, 147809, 205810, 295618, 514525, 739045, 1029050, 1478090, 1625899, 3251798, 3695225, 7390450, 8129495, 16258990, 40647475, 81294950]

約数ペア:

[(1, 81294950), (2, 40647475), (5, 16258990), (10, 8129495), (11, 7390450), (22, 3695225), (25, 3251798), (50, 1625899), (55, 1478090), (79, 1029050), (110, 739045), (158, 514525), (275, 295618), (395, 205810), (550, 147809), (790, 102905), (869, 93550), (1738, 46775), (1871, 43450), (1975, 41162), (3742, 21725), (3950, 20581), (4345, 18710), (8690, 9355)]