12889250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 27181440

約数和(自身を除く): 14292190

約数列:

[1, 2, 5, 10, 11, 22, 25, 43, 50, 55, 86, 109, 110, 125, 215, 218, 250, 275, 430, 473, 545, 550, 946, 1075, 1090, 1199, 1375, 2150, 2365, 2398, 2725, 2750, 4687, 4730, 5375, 5450, 5995, 9374, 10750, 11825, 11990, 13625, 23435, 23650, 27250, 29975, 46870, 51557, 59125, 59950, 103114, 117175, 118250, 149875, 234350, 257785, 299750, 515570, 585875, 1171750, 1288925, 2577850, 6444625, 12889250]

約数ペア:

[(1, 12889250), (2, 6444625), (5, 2577850), (10, 1288925), (11, 1171750), (22, 585875), (25, 515570), (43, 299750), (50, 257785), (55, 234350), (86, 149875), (109, 118250), (110, 117175), (125, 103114), (215, 59950), (218, 59125), (250, 51557), (275, 46870), (430, 29975), (473, 27250), (545, 23650), (550, 23435), (946, 13625), (1075, 11990), (1090, 11825), (1199, 10750), (1375, 9374), (2150, 5995), (2365, 5450), (2398, 5375), (2725, 4730), (2750, 4687)]