13320890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:239

約数の個数: 48

約数和(自身を含む): 26860680

約数和(自身を除く): 13539790

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 109, 110, 121, 202, 218, 242, 505, 545, 605, 1010, 1090, 1111, 1199, 1210, 2222, 2398, 5555, 5995, 11009, 11110, 11990, 12221, 13189, 22018, 24442, 26378, 55045, 61105, 65945, 110090, 121099, 122210, 131890, 242198, 605495, 1210990, 1332089, 2664178, 6660445, 13320890]

約数ペア:

[(1, 13320890), (2, 6660445), (5, 2664178), (10, 1332089), (11, 1210990), (22, 605495), (55, 242198), (101, 131890), (109, 122210), (110, 121099), (121, 110090), (202, 65945), (218, 61105), (242, 55045), (505, 26378), (545, 24442), (605, 22018), (1010, 13189), (1090, 12221), (1111, 11990), (1199, 11110), (1210, 11009), (2222, 5995), (2398, 5555)]