13309780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{599}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 30844800

約数和(自身を除く): 17535020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 599, 1010, 1111, 1198, 2020, 2222, 2396, 2995, 4444, 5555, 5990, 6589, 11110, 11980, 13178, 22220, 26356, 32945, 60499, 65890, 120998, 131780, 241996, 302495, 604990, 665489, 1209980, 1330978, 2661956, 3327445, 6654890, 13309780]

約数ペア:

[(1, 13309780), (2, 6654890), (4, 3327445), (5, 2661956), (10, 1330978), (11, 1209980), (20, 665489), (22, 604990), (44, 302495), (55, 241996), (101, 131780), (110, 120998), (202, 65890), (220, 60499), (404, 32945), (505, 26356), (599, 22220), (1010, 13178), (1111, 11980), (1198, 11110), (2020, 6589), (2222, 5990), (2396, 5555), (2995, 4444)]