81692210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{4831}}^1$

素因数の和:4946

約数の個数: 32

約数和(自身を含む): 156556800

約数和(自身を除く): 74864590

約数列:

[1, 2, 5, 10, 19, 38, 89, 95, 178, 190, 445, 890, 1691, 3382, 4831, 8455, 9662, 16910, 24155, 48310, 91789, 183578, 429959, 458945, 859918, 917890, 2149795, 4299590, 8169221, 16338442, 40846105, 81692210]

約数ペア:

[(1, 81692210), (2, 40846105), (5, 16338442), (10, 8169221), (19, 4299590), (38, 2149795), (89, 917890), (95, 859918), (178, 458945), (190, 429959), (445, 183578), (890, 91789), (1691, 48310), (3382, 24155), (4831, 16910), (8455, 9662)]