25739890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{1109}}^1$

素因数の和:1338

約数の個数: 32

約数和(自身を含む): 50829120

約数和(自身を除く): 25089230

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 211, 422, 1055, 1109, 2110, 2218, 2321, 4642, 5545, 11090, 11605, 12199, 23210, 24398, 60995, 121990, 233999, 467998, 1169995, 2339990, 2573989, 5147978, 12869945, 25739890]

約数ペア:

[(1, 25739890), (2, 12869945), (5, 5147978), (10, 2573989), (11, 2339990), (22, 1169995), (55, 467998), (110, 233999), (211, 121990), (422, 60995), (1055, 24398), (1109, 23210), (2110, 12199), (2218, 11605), (2321, 11090), (4642, 5545)]