12280400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2791}}^1$

素因数の和:2820

約数の個数: 60

約数和(自身を含む): 32197344

約数和(自身を除く): 19916944

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 440, 550, 880, 1100, 2200, 2791, 4400, 5582, 11164, 13955, 22328, 27910, 30701, 44656, 55820, 61402, 69775, 111640, 122804, 139550, 153505, 223280, 245608, 279100, 307010, 491216, 558200, 614020, 767525, 1116400, 1228040, 1535050, 2456080, 3070100, 6140200, 12280400]

約数ペア:

[(1, 12280400), (2, 6140200), (4, 3070100), (5, 2456080), (8, 1535050), (10, 1228040), (11, 1116400), (16, 767525), (20, 614020), (22, 558200), (25, 491216), (40, 307010), (44, 279100), (50, 245608), (55, 223280), (80, 153505), (88, 139550), (100, 122804), (110, 111640), (176, 69775), (200, 61402), (220, 55820), (275, 44656), (400, 30701), (440, 27910), (550, 22328), (880, 13955), (1100, 11164), (2200, 5582), (2791, 4400)]