12269540

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 26717040

約数和(自身を除く): 14447500

約数列:

[1, 2, 4, 5, 10, 20, 61, 89, 113, 122, 178, 226, 244, 305, 356, 445, 452, 565, 610, 890, 1130, 1220, 1780, 2260, 5429, 6893, 10057, 10858, 13786, 20114, 21716, 27145, 27572, 34465, 40228, 50285, 54290, 68930, 100570, 108580, 137860, 201140, 613477, 1226954, 2453908, 3067385, 6134770, 12269540]

約数ペア:

[(1, 12269540), (2, 6134770), (4, 3067385), (5, 2453908), (10, 1226954), (20, 613477), (61, 201140), (89, 137860), (113, 108580), (122, 100570), (178, 68930), (226, 54290), (244, 50285), (305, 40228), (356, 34465), (445, 27572), (452, 27145), (565, 21716), (610, 20114), (890, 13786), (1130, 10858), (1220, 10057), (1780, 6893), (2260, 5429)]