28258340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{11677}}^1$

素因数の和:11708

約数の個数: 36

約数和(自身を含む): 65233308

約数和(自身を除く): 36974968

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 11677, 23354, 46708, 58385, 116770, 128447, 233540, 256894, 513788, 642235, 1284470, 1412917, 2568940, 2825834, 5651668, 7064585, 14129170, 28258340]

約数ペア:

[(1, 28258340), (2, 14129170), (4, 7064585), (5, 5651668), (10, 2825834), (11, 2568940), (20, 1412917), (22, 1284470), (44, 642235), (55, 513788), (110, 256894), (121, 233540), (220, 128447), (242, 116770), (484, 58385), (605, 46708), (1210, 23354), (2420, 11677)]