11309980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{509}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 26218080

約数和(自身を除く): 14908100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 509, 1010, 1018, 1111, 2020, 2036, 2222, 2545, 4444, 5090, 5555, 5599, 10180, 11110, 11198, 22220, 22396, 27995, 51409, 55990, 102818, 111980, 205636, 257045, 514090, 565499, 1028180, 1130998, 2261996, 2827495, 5654990, 11309980]

約数ペア:

[(1, 11309980), (2, 5654990), (4, 2827495), (5, 2261996), (10, 1130998), (11, 1028180), (20, 565499), (22, 514090), (44, 257045), (55, 205636), (101, 111980), (110, 102818), (202, 55990), (220, 51409), (404, 27995), (505, 22396), (509, 22220), (1010, 11198), (1018, 11110), (1111, 10180), (2020, 5599), (2036, 5555), (2222, 5090), (2545, 4444)]