25506730

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{389}}^1$

素因数の和:558

約数の個数: 32

約数和(自身を含む): 47174400

約数和(自身を除く): 21667670

約数列:

[1, 2, 5, 10, 79, 83, 158, 166, 389, 395, 415, 778, 790, 830, 1945, 3890, 6557, 13114, 30731, 32287, 32785, 61462, 64574, 65570, 153655, 161435, 307310, 322870, 2550673, 5101346, 12753365, 25506730]

約数ペア:

[(1, 25506730), (2, 12753365), (5, 5101346), (10, 2550673), (79, 322870), (83, 307310), (158, 161435), (166, 153655), (389, 65570), (395, 64574), (415, 61462), (778, 32785), (790, 32287), (830, 30731), (1945, 13114), (3890, 6557)]