66904420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{3011}}^1$

素因数の和:3132

約数の個数: 48

約数和(自身を含む): 154840896

約数和(自身を除く): 87936476

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 1010, 1111, 2020, 2222, 3011, 4444, 5555, 6022, 11110, 12044, 15055, 22220, 30110, 33121, 60220, 66242, 132484, 165605, 304111, 331210, 608222, 662420, 1216444, 1520555, 3041110, 3345221, 6082220, 6690442, 13380884, 16726105, 33452210, 66904420]

約数ペア:

[(1, 66904420), (2, 33452210), (4, 16726105), (5, 13380884), (10, 6690442), (11, 6082220), (20, 3345221), (22, 3041110), (44, 1520555), (55, 1216444), (101, 662420), (110, 608222), (202, 331210), (220, 304111), (404, 165605), (505, 132484), (1010, 66242), (1111, 60220), (2020, 33121), (2222, 30110), (3011, 22220), (4444, 15055), (5555, 12044), (6022, 11110)]