25557290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:287

約数の個数: 64

約数和(自身を含む): 54120960

約数和(自身を除く): 28563670

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 79, 85, 110, 158, 170, 173, 187, 346, 374, 395, 790, 865, 869, 935, 1343, 1730, 1738, 1870, 1903, 2686, 2941, 3806, 4345, 5882, 6715, 8690, 9515, 13430, 13667, 14705, 14773, 19030, 27334, 29410, 29546, 32351, 64702, 68335, 73865, 136670, 147730, 150337, 161755, 232339, 300674, 323510, 464678, 751685, 1161695, 1503370, 2323390, 2555729, 5111458, 12778645, 25557290]

約数ペア:

[(1, 25557290), (2, 12778645), (5, 5111458), (10, 2555729), (11, 2323390), (17, 1503370), (22, 1161695), (34, 751685), (55, 464678), (79, 323510), (85, 300674), (110, 232339), (158, 161755), (170, 150337), (173, 147730), (187, 136670), (346, 73865), (374, 68335), (395, 64702), (790, 32351), (865, 29546), (869, 29410), (935, 27334), (1343, 19030), (1730, 14773), (1738, 14705), (1870, 13667), (1903, 13430), (2686, 9515), (2941, 8690), (3806, 6715), (4345, 5882)]