15220840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9281}}^1$

素因数の和:9333

約数の個数: 32

約数和(自身を含む): 35085960

約数和(自身を除く): 19865120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 9281, 18562, 37124, 46405, 74248, 92810, 185620, 371240, 380521, 761042, 1522084, 1902605, 3044168, 3805210, 7610420, 15220840]

約数ペア:

[(1, 15220840), (2, 7610420), (4, 3805210), (5, 3044168), (8, 1902605), (10, 1522084), (20, 761042), (40, 380521), (41, 371240), (82, 185620), (164, 92810), (205, 74248), (328, 46405), (410, 37124), (820, 18562), (1640, 9281)]