12409760

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{641}}^1$

素因数の和:678

約数の個数: 72

約数和(自身を含む): 32275908

約数和(自身を除く): 19866148

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 641, 880, 968, 1210, 1282, 1760, 1936, 2420, 2564, 3205, 3872, 4840, 5128, 6410, 7051, 9680, 10256, 12820, 14102, 19360, 20512, 25640, 28204, 35255, 51280, 56408, 70510, 77561, 102560, 112816, 141020, 155122, 225632, 282040, 310244, 387805, 564080, 620488, 775610, 1128160, 1240976, 1551220, 2481952, 3102440, 6204880, 12409760]

約数ペア:

[(1, 12409760), (2, 6204880), (4, 3102440), (5, 2481952), (8, 1551220), (10, 1240976), (11, 1128160), (16, 775610), (20, 620488), (22, 564080), (32, 387805), (40, 310244), (44, 282040), (55, 225632), (80, 155122), (88, 141020), (110, 112816), (121, 102560), (160, 77561), (176, 70510), (220, 56408), (242, 51280), (352, 35255), (440, 28204), (484, 25640), (605, 20512), (641, 19360), (880, 14102), (968, 12820), (1210, 10256), (1282, 9680), (1760, 7051), (1936, 6410), (2420, 5128), (2564, 4840), (3205, 3872)]