86280260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{353}}^1$

素因数の和:485

約数の個数: 72

約数和(自身を含む): 201699288

約数和(自身を除く): 115419028

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 121, 202, 220, 242, 353, 404, 484, 505, 605, 706, 1010, 1111, 1210, 1412, 1765, 2020, 2222, 2420, 3530, 3883, 4444, 5555, 7060, 7766, 11110, 12221, 15532, 19415, 22220, 24442, 35653, 38830, 42713, 48884, 61105, 71306, 77660, 85426, 122210, 142612, 170852, 178265, 213565, 244420, 356530, 392183, 427130, 713060, 784366, 854260, 1568732, 1960915, 3921830, 4314013, 7843660, 8628026, 17256052, 21570065, 43140130, 86280260]

約数ペア:

[(1, 86280260), (2, 43140130), (4, 21570065), (5, 17256052), (10, 8628026), (11, 7843660), (20, 4314013), (22, 3921830), (44, 1960915), (55, 1568732), (101, 854260), (110, 784366), (121, 713060), (202, 427130), (220, 392183), (242, 356530), (353, 244420), (404, 213565), (484, 178265), (505, 170852), (605, 142612), (706, 122210), (1010, 85426), (1111, 77660), (1210, 71306), (1412, 61105), (1765, 48884), (2020, 42713), (2222, 38830), (2420, 35653), (3530, 24442), (3883, 22220), (4444, 19415), (5555, 15532), (7060, 12221), (7766, 11110)]